SRG LPG Liquid Service/Offtake Valve Type /

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4 SRG LPG Liquid Service/Offtake Valve Type / Inlet Connection Outlet Connection Width across flats ¾ NPT 1 ¼ NPT M26x1, mm 46 mm Product Description: The SRG type 480 liquid service valve is designed for use with LPG storage containers for occasional use when emptying or uplifting vessels A brass sealing plug is factory fitted to the outlet connection. Suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. All SRG type 480 valves are fitted with an internal excess flow valve which will close in service at a flow of between 2m3 and 3m3 per hour of water at a differential pressure of 1 bar SRG do not supplying the connecting valve for emptying or uplifting vessels. Materials and Standards: Quality standards: Valves are manufactured entirely from corrosion resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 480 liquid off take valve is manufactured in Germany to the highest quality Standards and is in full compliance with EN The SRG quality control system is accredited to ISO 9001:2008 and is continually assessed by the Notified Body. Packaging: All SRG valves are packed in robust cardboard boxes to help prevent damage in transit and storage and the ingress of foreign matter.

5 SRG LPG Double Back Check Filler Valve Type Inlet Connection Outlet Connection Width across flats 1 ¼ NPT 1 ¾ ACME 46 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 481 double back check filler valve is designed for fast filling of large static tanks and domestic storage tanks containing LPG. Valves are fitted with a resilient seat disc as the main closure, supported by a metal to metal back check valve for added security. Both back checks are opened by the flow of liquid and close automatically when flow stops. Suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. Optional: Valves are normally fitted with a flat metal back check but can be supplied with a swing check valve which reduces the pressure loss across the valve and increases filling rates. As standard, valves are supplied with a screw cap made from tough moulded plastic which can withstand tank pressure. The cap has a lug with a through hole to facilitate the use of a tamper evident wire and lead seal. Alternatively, valves can be supplied with a brass cap. A cap lock is available as an optional extra which will prevent the unauthorised removal of the cap and pirate filling. Valves are manufactured entirely from corrosion resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 481 double back check filler valve is manufactured in Germany to the highest quality standards and is in full compliance with TRB 801 no. 25, TRB 801 no. 45 and EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 481 /

6 SRG LPG Manual Isolation Filler Valve Type Inlet Connection Outlet Connection Width across flats 1 ¼ NPT 1 ¾ ACME 46 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 481 manual isolation filler valve is designed for fast filling of large static tanks and domestic storage tanks containing LPG. Valves are fitted with a resilient seat disc as the main closure, supported by a metal to metal back check valve for added security. The addition of a manually operated ball valve between the two closures makes the system totally secure. When the manual isolation valve is opened, both back checks are opened the flow of liquid and close automatically when the flow stops. Suitable for design pressure up to 25 bar and temperatures from 20 C to +65 C. As standard, valves are supplied with a screw cap made from tough moulded plastic which can withstand tank pressure. The cap has a lug with a through hole to facilitate the use of a tamper evident wire and lead seal. Options: A cap lock is available as an optional extra which will prevent the unauthorised removal of the cap and pirate filling. Valves are manufactured entirely from corrosion resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 481 manual Isolation filler valve is manufactured in Germany to the highest quality standards and is in full compliance with TRB 801 no. 25, TRB 801 no. 45 and EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter.

7 SRG LPG Double Back Check Filler Valve with Fill Stop Type Inlet Connection Outlet Connection Width across flats 1 ¼ NPT 1 ¾ ACME 46 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 481 manual isolation filler valve is designed for fast filling of large static tanks and domestic storage tanks containing LPG. Valves are fitted with a resilient seat disc as the main closure, supported by a metal to metal back check valve for added security. The addition of a manually operated ball valve between the two closures on models and further improves security When the manual isolation valve is opened, both back checks are opened by the flow of liquid and close automatically when the flow stops. Suitable for design pressure up to 25 bar and temperatures from 20 C to +65 C. As standard, valves are supplied with a screw cap made from tough moulded plastic which can withstand tank pressure. The cap has a lug with a through hole to facilitate the use of a tamper evident wire and lead seal. Options: A cap lock is available as an optional extra which will prevent the unauthorised removal of the cap and pirate filling. Valves are manufactured entirely from corrosion resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 481 manual Isolation filler valve is manufactured in Germany to the highest quality standards and is in full compliance with TRB 801 no. 25, TRB 801 no. 45 and EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter.

8 SRG LPG Vapour Service Valve Type Inlet Connection Outlet Connection Width across flats ¾ NPT NGO-LH-INT (CGA 510) 30 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 483 vapour service valve is designed for use in LPG storage containers up to 3 tonnes capacity. The valve incorporates a manual shut off valve with a double O -ring on the closure spindle for maximum reliability. A fixed liquid level gauge operates through the manual shut off hand wheel the tube of which is sized to suit the vessel dimensions and the desired liquid level. There is a CGA 510 POL connection and a G1/4 plugged connection for a pressure gauge. Suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. Optional: Excess flow valve to control the maximum flow of gas through the valve. Adapter for G1/2 male pressure gauges. The adapter is fitted with a manual closure to facilitate replacement of pressure gauges without the escape of gas. Valves are manufactured entirely from corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 483 vapour service valve is manufactured in Germany to the highest quality standards and is in full compliance with EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter /

9 SRG LPG Liquid Service Valve Type 484 Inlet Connection Outlet Connection Width across flats ¾ NPT ¾ NPT 32 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 484 liquid service valve is designed for use in LPG storage containers up to 3 tonnes capacity. The valve incorporates a manual shut off valve with a double O -ring on the closure spindle for maximum reliability. Seals can be replaced in service without the escape of gas. A brass sealing plug is fitted to the outlet connection. Suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. Optional: Valves can be supplied with a 3/4"-28UN-2A female thread in the inlet connection and an eduction tube for liquid withdrawal. The tube length being in accordance with customer specification. Valves can be supplied with an Excess Flow valve in the inlet connection to limit the escape of gas in the event of failure of the off-take pipe or hose. The brass sealing plug can be drilled to facilitate the fitting of tamper evident wire and lead seal. Valves are manufactured entirely from corrosion-resistant materials including brass body and stainless steel springs. Optional eduction tubes are of steel construction. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 484 manual liquid service valve is manufactured in Germany to the highest quality standards and is in full compliance with EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 484 /

10 SRG LPG External Pressure Relief Valve Type 485 Inlet Connection Connecting thread Width across flats 1-11 ½ NPT M32 x 1,5 46 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 485 is an external pressure relief valve designed for use in LPG storage tanks of up to 3 tonnes capacity. The valve has an 1 NPT container connection and comes complete with a plastic protection cap. The 485 is designed to protect the vessel in an overpressure situation. The valve will pop fully open shortly after the valve starts to discharge to ensure the rapid reduction of internal pressure. Valves are fitted with a resilient seat disc as the main closure and will close again automatically when normal vessel pressure is restored. The relief valve with parallel thread is implemented with a isolating device. The relief valve can be exchanged under pressure without depressurising the tank. The safety device against unauthorized adjusting takes place via lead-sealing of the screw with the valve body. The relief valve is lead-sealed with the isolating device. The valve is approved and CE marked and suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. The relief valve can be set between 12,1 bar and 15,6 bar. Individual inspection and certification by TÜV is available on special request. Our Valves are manufactured entirely of corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 485 external pressure relief valve is approved by TÜV and is manufactured in Germany to the highest quality standards and complies with AD-Merkblatt A2, TRB 403, TRB 801 no. 45, VdTÜV-Merkblatt Sicherheitsventil 100, DVFG Prüfgrundlage no. 2 and no. 4, EN and pren The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 485 /

11 SRG LPG External Pressure Relief Valve Type Inlet Connection Connecting thread Width across flats 1 ¼ NPT M36 x 2 M45 x 1,5 45 mm Product Description: The SRG type 485 is an external pressure relief valve system designed for use on LPG storage tanks. The check device has a 1 1/4 NPT container connection and the safety is connected to it by means of a parallel thread and bonded seal, allowing removal and replacement without depressurising the tank. The pressure relief valve is fitted with a plastic protection cap. The 485 is designed to protect the vessel in an overpressure situation and will pop fully open shortly after start to discharge has occurred, to ensure the rapid reduction of internal pressure, closing automatically when predetermined pressure conditions are restored. Safety devices are fitted with a resilient seat disc as the main closure and the discharge setting is secured against unauthorized interference by pinning the adjuster in the valve body The 485 is approved and CE marked and is suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. The relief valve can be factory set between 14,5 bar and 17,2 bar. Other settings and specifications upon request. Materials and Standards: Quality standards: Packaging: All Valves are manufactured entirely of corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. SRG type 485 external pressure relief valves are approved by TÜV and are manufactured in Germany to the highest quality standards, complying with AD-Merkblatt A2, TRB 403, TRB 801 no. 45, VdTÜV- Merkblatt Sicherheitsventil 100, DVFG Prüfgrundlage no. 2 and no. 4, EN and pren The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in transit and in storage and against the ingress of foreign matter.

12 SRG LPG Semi Internal Pressure Relief Valve Type 486 Inlet Connection Outlet Connection Width across flats 1 11 ½ NPT M 48 x mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG type 486 is a semi internal pressure relief valve designed for use in LPG storage tanks of up to 3 tonnes capacity. The valve has a 1 NPT container connection and comes complete with a plastic protection cap and has an M48 x 1,5 external thread for a pipe away adapter. The 486 is designed to protect the vessel in an overpressure situation. The valve will pop fully open shortly after the valve starts to discharge to ensure the rapid reduction of internal pressure (flow capacity 64 m³/min at 15,6 bar set pressure). Valves are fitted with a resilient seat disc as the main closure and will close again automatically when normal vessel pressure is restored. Suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. Optional: For the German market the 486 can be set between 15,6 and 16,4 bar but for other markets the range of setting can be from 12 to 19,4 bar according to customer requirements. The 486 can be supplied with a recessed poppet to facilitate testing whilst in service, typically used in the German and Austrian market. a pipe away adapter suitable for use with copper pipe is available to discharge the gas away from the vessel and can be supplied either straight or angled. Individual inspection and certification by TÜV is available on special request. Valve are manufactured entirely of corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 486 semi internal pressure relief valve is approved by TÜV and is manufactured in Germany to the highest quality standards and complies with AD 2000-Merkblatt A2 and A4, TRB 403, TRB 801 no. 25, TRB 801 no. 45, VdTÜV-Merkblatt Sicherheitsventil 100, DVFG Prüfgrundlage no. 2 and no. 4, DIN EN ISO 4126, EN and EN 14129, PED 97/23/EC. The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 486 /

13 SRG LPG Float Gauge Type 487 Container Connection Mounting Head Materials Flange, 51,6mm bolt circle (Junior) Flange, 63,5mm bolt circle (Senior) Thread, ¾ NPT Thread, 1 NPT Thread, 1¼ NPT horizontal vertical different angles Brass Zamak (Zinc die-cast) Product Description: Materials and Standards: Quality standards: Packaging: Important Note: The SRG type 487 float gauges are designed for use in LPG storage from small automotive cylinders and toroidal tanks up to vessels of 1600mm diameter. The flanged version gauges can be supplied with the Junior head or Senior head in Zamak construction. Also available are Brass constructions with ¾, 1 or 1¼ screwed types. The dial capsule is manufactured in high transparency polycarbonate and is hermetically sealed to prevent misting. Dial capsules are easily replaceable and are interchangeable with those of other leading brands. Floats are manufactured from closed cell nitrile rubber and are fully resistant to LPG. The gear mechanism is produced from die cast Zamak to ensure there is no corrosion and that the mechanism is smooth acting and non jamming. Type 487 Float Gauges are suitable for design pressure up to 25 bar and temperatures from 20 to +65 C. Optional: Junior flanged versions are normally supplied with 4 pcs. M6x20 cap headed screws. M6x25 or 1/4 x7/8 UNF screws are also available. Senior flanged versions are normally supplied with 4 pcs. M8x25 cap headed screws. 5/16-24x7/8 UNF screws are also available. Junior flanged versions are normally supplied with a flat nitrile rubber seal but can be supplied with an O ring. Senior flanged versions are supplied with a flat nitrile rubber seal. As standard all float gauges are supplied with a percentage dial reading 5% to 95%. Other options are available on request. Telemetry and remote reading systems are available. A plastic protection cover is available for all Junior gauges. Junior flanged types in Zamak can be supplied fitted with a hinged die cast cover. Type 487 float gauges are manufactured entirely from corrosion-resistant materials including brass or Zamak body. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 487 float gauges are manufactured in Germany to the highest quality standards and in full compliance with TRB 801 no. 25, TRB 801 no. 45 and EN and EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG float gauges are packed in robust cardboard boxes to help prevent damage in storage and transit. SRG type 487 float gauges are level indicators only and should not be used to gauge the level during filling operations. 487 /

14 SRG LPG Service Valve with Overfill Preventer Type 489 Inlet Connection Outlet Connections Width across flats ¾ -14 NPT NGO-LH-INT(CGA 510) 36 mm Product Description: Materials and Standards: Quality standards: Packaging: The SRG valve type 489 is a multi function valve designed for use in LPG storage tanks up to 3 tonnes capacity, incorporating the following features: an intrinsically safe overfill preventer with a DIN connection a hand-wheel operated CGA 510 POL vapour service connection with double O ring seal a ¾ NPT container connection a G1/2 or M20 x 1,5 plugged pressure gauge connection an auxiliary fixed liquid level gauge with tube to suit the vessel diameter The 489 prevents overfilling by automatically shutting down the delivery vehicle pump, taking responsibility away from the operator. The level sensor must only be connected to a control box (amplifier) in the road tanker according to VdTÜV-Merkblatt Überfüllsicherung 100. During filling, a thermister in the 489 senses the rising level of liquid in the vessel and at a predetermined point, signals the delivery vehicle to stop pumping. The cut off level is designed to suit the vessel and the operation is repeatable, removing the subjective errors and the discharge of volatile hydrocarbons associated with the use of fixed liquid level gauges. The SRG type 489 has a unique patented system which allows the level probe to be replaced in service without disruption to the customer. The valve is approved and CE marked and suitable for design pressure up to 25 bar and temperatures from 20 C to 65 C. Optional: Pressure gauge range 0-25 bar Adapter for G1/2 or M20 x 1,5 female pressure gauge Probe lengths tailor-made to special requirements Valves are manufactured entirely from corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549. The SRG type 489 Service Valve with Overfill Preventer is approved by TÜV and is manufactured in Germany to the highest quality standards and is in full compliance with TRB 801 no. 25, TRB 801 no. 45, VdTÜV-Merkblatt Überfüllsicherung 100 and EN The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 489 /

15 SRG LPG External Pressure Relief Valve Type 491 Inlet Connection STD Pressure Width across flats G 1/8 G 1/4" 1/4" NPT 3,8 bar to 32 bar others upon request 17mm HEX Product Description: The SRG type 491 safety relief valve is designed for use in LPG or Drinks Dispense systems to protect the piping in an overpressure situation. The valve will pop fully open shortly after the valve starts to discharge to ensure the rapid reduction of internal pressure. The Valve is fitted with a resilient seat disc as the main closure and will close again automatically when normal piping pressure is restored. There are two different versions: 1.) Drinks Dispense Valve: The safety relief valve has a G1/8 or G 1/4 parallel thread connection with o-ring seal. Pressure Settings: 55 psi (3,8 bar); 100 psi (6,9 bar) or 110 psi (7,6 bar). Discharge Capacity: 510 l/min air at 110% (60,5 psi) or 1000 l/min air at 110% (110/121 psi). 2.) LPG External Hydrostatic Relief Valve: The safety relief valve has a 1/4 NPT conical thread connection. Pressure Settings: 400 psi (27,6 bar); 464 psi (32,0 bar). The valve is approved and CE / UL or 67R-01 marked and suitable for design pressure up to 32 bar and temperatures from -40 C (-40 F) to +65 C (+149 F). Materials and Standards: Quality standards: Packaging: The relief valve can be set between 3,8 bar and 32 bar. The Valve is manufactured entirely of corrosion-resistant materials including brass body and stainless steel springs. Rubber type materials have been developed specifically for use with LPG and are manufactured strictly in compliance with EN 549 and UL 157. The SRG type 491 pressure relief valve is approved by TÜV / UL and is manufactured in Germany to the highest quality standards and complies with EN 14129, 67R-01 and UL 132 / NFPA 58. The SRG quality control system is accredited to ISO 9001 and is continually assessed by the Notified Body. All SRG valves are packed in robust cardboard boxes to help prevent damage in storage and transit and the ingress of foreign matter. 491 /

16 SRG LPG Twin Stage Tank Regulator with OPSO Type 511 Inlet Connections Outlet Connection Color male POL G ½ female blue ¼ NPT female other threads available other colors available on request other threads available The equipment features Integral first stage regulator 2 nd stage regulator with PRV OPSO with visual indicator Insect filters on vents Pressure test points Tank support Reset tool for OPSO Bodies and bonnets made of die casting aluminium Technical data Pressure limit = PN 25 Capacity = 10 kg/hr. Inlet connections = male 0,880 POL (CGA 510) with stainless steel nipple Outlet connections = G ½ female Inlet pressure range = 1,5 16 bar Outlet pressure setting range = mbar Set pressure OPSO = specified by customer in accordance with international standards Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure, OPSO and PRV settings Alternative inlet and outlet connections Outlet connections with solder fittings or compression fittings Range of installation fittings for above and below ground tanks Emergency supply connection Under-Pressure-Shut-Off (UPSO) Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 511 /

17 SRG LPG High Pressure First Stage Tank Regulator Type 512 Inlet Connections Outlet Connection Color male POL ¼ NPT female G ½ female other threads available G ½ female other threads available blue other colors available on request The equipment features OPSO with visual indicator PRV outside Pressure test points Insect filters on vents Reset tool for OPSO Bodies and bonnets made of die casting aluminium Technical data Pressure limit = PN 25 Capacity = 24 kg/hr. Inlet connections = male 0,880 POL (CGA 510) with stainless steel nipple Outlet connections = G ½ female Inlet pressure range = 1,5 16 bar Outlet pressure setting range = 0,5-2,0 bar Set pressure OPSO = specified by customer in accordance with international standards Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure, OPSO and PRV settings Alternative inlet and outlet connections Outlet connections with solder fittings or compression fittings Range of installation fittings for above and below ground tanks Emergency supply connection Pressure gauge Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 512 /

18 SRG LPG Low Pressure Second Stage Tank Regulator Type 513 Inlet Connections Outlet Connection Color ¼ NPT female G ½ female blue G ½ female other threads available other colors available on request other threads available The equipment features OPSO with visual indicator Inlet connection flange with female thread PRV Insect filters on vents Pressure test points Bodies and bonnets made of die casting aluminium Reset tool for OPSO Technical data Pressure limit = PN 4 Capacity = 24 kg/hr. Inlet connections = ¼ NPT female Outlet connections = G ½ female Inlet pressure range = 0,5 4 bar Outlet pressure setting range = mbar Set pressure OPSO = specified by customer in accordance with international standards Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure, OPSO and PRV settings Alternative inlet and outlet connections Outlet connections with solder fittings or compression fittings Inlet connection with fusible plug (1/2 female) for in-house-installation Under-Pressure-Shut-Off (UPSO) Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 513 /

19 SRG LPG Low Pressure Second Stage Tank Regulator Type 515 Inlet Connections Outlet Connection Color ¼ NPT female G ½ female blue G ½ female other threads available other colors available on request other threads available The equipment features OPSO with visual indicator Inlet connections flange with female thread Pressure test points Insect filters on vents Reset tool for OPSO Bodies and bonnets made of die casting aluminium Safety diaphragm Technical data Pressure limit = PN 2,5 Capacity = 10 kg/hr. Inlet connections = G ½ female Outlet connections = G ½ female Inlet pressure range = 0,5 1,25 bar Outlet pressure setting range = mbar Set pressure OPSO = specified by customer in accordance with international standards Note: As it is used indoors, this regulator does not feature a PRV! Optional extras Alternative outlet pressure, OPSO and PRV settings Alternative inlet and outlet connections Inlet and outlet connections with solder fittings or compression fittings Inlet connection with fusible plug (1/2 female) for in-house-installation Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 515 /

20 SRG LPG High Pressure First Stage Tank Regulator Type 520 Inlet Connection Outlet Connection Color FPOL-CGA510 1/2 F.NPT others on request 2 x 3/4 F.NPT red 2 x 1/2 F.NPT other colors available Outlet adaptor 3/4" + 1/2" NPT on request The equipment features 2 outlets, a straight and 90 -side outlet Bodies and bonnets made of die casting zinc Pressure test point Diaphragm spindle made of zinc for best function PRV inside Insect filter on vent Replaceable valve seal-plunger combination Diaphragm: polyester-reinforced nitrile Springs and screws made of stainless steel Valve seat disc made of nitrile Technical data Pressure limit = PN 25 Capacity = 50 kg/hr. ( BTU/hr) Inlet connections = see above Outlet connections = see above Inlet pressure range = 1,7 17,25 bar ( PSIG) Outlet pressure setting range = mbar and mbar (adjustable) (3-5 and 5-10 PSIG) Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure and PRV settings Alternative inlet and outlet connections Inlet and outlet connections with solder fittings or compression fittings Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 520 /

21 SRG LPG Low Pressure Second Stage Tank Regulator Type 521 Inlet Connection Outlet Connection Color 3/4" F.NPT 1/2 F.NPT others on request 2 x 3/4 F.NPT brown 2 x 1/2 F.NPT other colors available Outlet adaptor 3/4" + 1/2" NPT on request The equipment features 2 outlets, a straight and 90 -side outlet Bodies and bonnets made of die casting zinc Pressure test point Diaphragm spindle made of zinc for best function PRV inside Insect filter on vent Replaceable valve seal-plunger combination Diaphragm: polyester-reinforced nitrile Springs and screws made of stainless steel Valve seat disc made of nitrile Technical data Pressure limit = PN 4 Capacity = 20 kg/hr. ( BTU/hr) Inlet connections = see above Outlet connections = see above Inlet pressure range = 0,345-1,45 bar (5-20 PSIG) Outlet pressure setting range = 9-13 w.c. (adjustable) Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure and PRV settings Alternative inlet and outlet connections Inlet and outlet connections with solder fittings or compression fittings Outlet 3 o clock position Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body 521 /

22 SRG LPG High Pressure First Stage Tank Regulator Type 527 Inlet Connection Outlet Connection Color 1/4" NPT horizontal M 20x1,5 vertical 1/2" NPT red ext. M 20x1,5 - LH other colors available on request The equipment features No plastic components in pressured areas Bodies and bonnets made of die casting zinc Pressure test point Diaphragm spindle made of zinc for best function PRV inside Insect filter on vent All springs made of stainless steel Diaphragm: polyester-reinforced nitrile Valve seat disc made of nitrile Technical data Pressure limit = PN 25 Capacity = 30 kg/hr. ( BTU/hr) Inlet connections = see above Outlet connections = see above Inlet pressure range = 1,7 17,25 bar ( PSIG) Outlet pressure setting = 690 mbar (10 PSIG) Set pressure PRV = specified by customer in accordance with international standards Optional extras Alternative outlet pressure and PRV settings Inlet and outlet connections with solder fittings or compression fittings Quality standards The regulators are manufactured in Germany. SRG s quality-control system carries an ISO 9001 certificate and is continually assessed by the Notified Body. 520 /

23 SRG LPG First Stage Tank Regulator Type 528 with OPSO Inlet Connections Outlet Connection Capacity POL male G ½ female 22 kg/hr. The equipment features OPSO with visual indicator Reinforced diaphragm Pressure test points Insect filters on vents Reset tool for OPSO Bodies and bonnets made of die casting aluminium Technical data Pressure limit = PN 25 Capacity = 22 kg/hr. (other types available on request) Inlet connections = Male 0,880 POL (CGA 510) with stainless steel nipple Outlet connections = G ½ female Inlet pressure range = bar Outlet pressure setting range = bar Set pressure OPSO = specified by customer in accordance with international standards Optional extras Alternative outlet pressure settings Alternative OPSO settings Alternative inlet and outlet connections Quality standards All regulators are manufactured in Germany. The SRG quality system is accredited to ISO 9001 and is continually assessed by the Notified Body. Packaging All SRG Regulators are packed in robust cardboard boxes to help prevent damage in transit and storage and the ingress of foreign matter

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