PF6 Stainless Steel Piston Actuated On/Off Valves

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1 Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. Copyright TI-P7- CH Issue PF Stainless Steel Piston Actuated On/Off Valves Description A -port pneumatically actuated on / off stainless steel valve for use on steam, water, air, oil and gases. A pneumatic signal acts on the actuator piston to open or close the valve with a spring return action. A valve position indicator is included on standard and flow regulator models. Standard versions have PTFE stem seals for operation up to C. Optionally, high temperature stem seals (H) can be provided for operation up to C. Valves are available with one of three sizes of actuator: Type (5 mm), Type ( mm) and Type (9 mm) with the following action options: - NC (Normally Closed) - Designed for flow over the seat (port to ). Caution: Not recommended for waterhammer prevention. - NO (Normally Open) - Designed for flow under the seat (port to ). Can be used to prevent waterhammer on valve closure in liquid applications. - BD (Bi-Directional normally closed) - Designed for special applications that require flow in both directions and incorporates an anti-waterhammer design for liquid applications flowing under the seat (port to ). Note: To help prevent the possibility of waterhammer on liquid applications flowing over the seat (port to ) the pressure should not exceed bar g. Optional extras (see 'Valve selection guide', page ): Travel switch Flow regulator Position module Sizes, pipe connections and actuator combinations Valve type and pipe connections Actuator type and version DN5 DN DN5 DN DN DN5 " PFG Threaded spigots to ISO / (DN5 to ISO ) PTFE version PFG Screwed to BSP or NPT PFG Butt weld to DIN 5 pipe, ASME B. / ISO 5 pipe PF5G Sanitary clamp to ISO 5 or ASME BPE, PFG Flanged to EN 9 or ASME Class 5 (welded on flanges) Notes:. DN is not available with ASME BPE end connections.. Clamp and clamp gasket are not included. PTFE version H version PTFE version H version PTFE version H version PTFE version H version Page of

2 Available range Valve action Screwed (BSP or NPT) Butt weld Flanged (EN 9 or ASME) Sanitary clamp Threaded spigots NC - Normally Closed (flow over seat) NO - Normally Open (flow under seat) BD - Bi-Directional normally closed (flow over or under seat) PFG-NC PFG-NC PF5G-NC PFG-NC PFG-NC PFG-NC PFG-NC PF5G-NC PFG-NC PFG-NC PFG-NC PFG-NC PF5G-NC PFG-NC PFG-NO PFG-NO PF5G-NO PFG-NO PFG-NO PFG-NO PFG-NO PF5G-NO PFG-NO PFG-NO PFG-NO PFG-NO PF5G-NO PFG-NO PFG-BD PFG-BD PF5G-BD PFG-BD PFG-BD PFG-BD PFG-BD PF5G-BD PFG-BD PFG-BD PFG-BD PFG-BD PF5G-BD PFG-BD Pressure / temperature limits Temperature C A Steam saturation curve B C D A B C D 5 Pressure bar g A - A PN B - B PN and ASME 5 C - C PN5 D - D PN The product must not be used in this region or beyond the body design conditions quoted in the table below as damage to the internals will occur. High temperature stem seals (Option H) are required for use in this region. Body design conditions Screwed, butt weld, threaded spigots and flanged EN 9 DN5 - DN5 ( - ) DN and DN ( - ) DN5 (") PN PN5 PN Flanged ASME DN5 - DN5 ( - ") Class 5 Sanitary clamp compatible connections DN5 - DN5 PN Maximum design pressure Refer to the graph above Maximum design temperature C Minimum design temperature - C Maximum operating pressure for saturated steam service Standard seals 9 bar C High temperature seals - Option H.5 bar C Maximum operating temperature Standard seals High temperature seals - Option H 9 bar g bar g Minimum operating temperature (Note: For lower operating temperatures consult Spirax Sarco) - C Ambient temperature limits Maximum C Minimum - C Maximum differential pressure (see page ) Designed for a maximum cold hydraulic test pressure of:.5 x PMA (PN rating) Maximum test pressure is equal to the maximum differential pressure Page of TI-P7- CH Issue PF Stainless Steel Piston Actuated On/Off Valves

3 Technical details Leakage TFM soft seal ASME Class VI Flow characteristic Fast opening On/off PF_G-NC Flow over seat Port to PF_G-NO Flow under seat Port to Flow direction Flow over seat Port to PF_G-BD Flow under seat Port to Pilot media Instrument air or inert gases - For use with other flow media contact Spirax Sarco C maximum Actuator rotation Pilot connection Maximum pilot pressure Actuator type and size Type = 5 mm diameter " BSP bar g Type = mm diameter ¼" BSP bar g Type = 9 mm diameter ¼"BSP bar g Kvs values Size DN5 DN DN5 DN DN K vs DN5 " For conversion: C v (UK) = K v x.9 C v (US) = K v x.5 NC (Normally Closed) NO (Normally Open) and 5 and BD (Bi-Directional normally closed) 9 5 and Materials No. Part Material Body Stainless steel AISI L Bonnet Stainless steel AISI L Plug Stainless steel AISI L Valve plug seal Modified PTFE G5 5 Valve stem Stainless steel AISI L Stem seals Standard Option H 7 Stem 'O' ring FKM PTFE + 5% carbon graphite filled PTFE + FKM chevron 5% carbon graphite filled PTFE + FKM chevron Actuator housing % glass filled polyamide (for H version PA) 9 Piston 5% glass filled polyamide Piston lip seal NBR Gasket PTFE 'O' ring FKM Note: Item 7 is not shown. TI-P7- CH Issue Page of PF Stainless Steel Piston Actuated On/Off Valves

4 PMX - Maximum differential pressures for PF piston actuated valves Notes:. Maximum differential pressure for saturated steam service is.5 bar g and.5 bar g for high temperature valve versions.. Sanitary clamp connections are limited to PN pressure rating.. ASME flange connections are limited to ASME 5 pressure rating. PF_G-NC (Normally closed) Model PF_G-NC PF_G-NC PF_G-NC PF_G-NO (Normally open) Model PF_G-NO PF_G-NO PF_G-NO Actuator diameter (mm) Flow direction (port to ) Maximum differential pressure Pilot Pressure Minimum Maximum DN5 - () 5 over seat. DN - () 5 over seat. DN5 - () over seat.5 DN - () over seat.5 DN5 - () over seat.5 DN - () over seat. DN - () over seat. DN5 - (") over seat. DN5 - () 9 over seat. DN - () 9 over seat. DN - () 9 over seat. DN5 - (") 9 over seat 5. Actuator diameter (mm) Flow direction (port to ) Maximum differential pressure Pilot Pressure Minimum Maximum DN5 - () 5 under seat. DN - () 5 under seat. DN5 - () under seat.5 DN - () under seat.5 DN5 - () under seat.5 DN - () under seat.5 DN - () under seat.5 DN5 - (") under seat.5 DN5 - () 9 under seat. DN - () 9 under seat. DN - () 9 under seat. DN5 - (") 9 under seat. PF_G-BD (Bi-Directional normally closed) Model PF_G-BD PF_G-BD PF_G-BD Actuator diameter (mm) Flow direction (port to ) Maximum differential pressure (port to ) Flow direction (port to ) see Notes at the top of this page see Notes at the top of this page Maximum differential pressure (port to ) Minimum Maximum DN5 - () 5 over seat under seat. 5. DN - () 5 over seat under seat DN5 - () over seat under seat.. DN - () over seat under seat.. DN5 - () over seat under seat.. DN - () over seat under seat.. DN - () over seat under seat.. DN5 - (") over seat under seat.5. DN5 - () 9 over seat under seat.. DN - () 9 over seat under seat.. DN - () 9 over seat under seat.. DN5 - (") 9 over seat under seat.. Page of TI-P7- CH Issue PF Stainless Steel Piston Actuated On/Off Valves

5 Pilot / media pressure relationship PF_G-NC flow over seat ( to ) PF_G-NC (Normally Closed) Media pressure PF_G-NO flow under seat ( to ). PF_G-NO (Normally Open) Media pressure PF_G-NC flow over seat ( to ) " Media pressure PF_G-NO flow under seat ( to ).5 Media pressure " PF_G-NC flow over seat ( to ) " PF_G-NO flow under seat ( to ) " Media pressure Media pressure PF_G-BD (Bi-Directional normally closed) PF_G-BD flow over seat ( to ) Media pressure PF_G-BD flow over seat ( to ) " Media pressure PF_G-BD flow over seat ( to ) " Media pressure TI-P7- CH Issue Page 5 of PF Stainless Steel Piston Actuated On/Off Valves

6 Dimensions and weights (approximate) in mm and kg Notes: Add. kg for travel switch or flow regulator options (not available for use with the Type actuator). Add.5 kg for the position module. DN5 - DN - DN5 - DN - DN - DN5 - " Actuator type and size Screwed and Butt weld A B C Weight EN 9 A ASME 5 A EN 9 B Flanged ASME 5 B (5 mm) C Weight ( mm) (5 mm) ( mm) ( mm) (9 mm) ( mm) (9 mm) ( mm) (9 mm) ( mm) (9 mm) Threaded spigot (to ISO / ) Actuator type and size A5 B5 C Ø Spigot Weight DN5 - (5 mm) 9 G.9 ( mm) G. 77 mm DN - DN5 - DN - DN - DN5 - " (5 mm) 5 G. ( mm) 7 G. ( mm) 7 5 G.5 (9 mm) 9 G.5 ( mm) 9 G. (9 mm) 7 G.5 ( mm) 9 G. (9 mm) 5 7 G.7 ( mm) 75 7 G ". (9 mm) G ".5 Travel switch Flow regulator mm 95 mm Position module Note: The DN5 threaded spigot is to ISO. DN5 - DN - DN5 - DN - DN - DN5 - " Actuator type and size Sanitary clamp (to ISO 5) A B C E F Sanitary clamp (ASME BPE) Weight A B C E F Weight (5 mm) ( mm) (5 mm) ( mm) ( mm) (9 mm) ( mm) (9 mm) ( mm) (9 mm) ( mm) (9 mm) Page of TI-P7- CH Issue PF Stainless Steel Piston Actuated On/Off Valves

7 PF piston actuated valves - opening / closing times (seconds) Notes:. is bar. Pressure in the body bar Actuator Ø5 mm Actuator Ø mm Actuator Ø9 mm NC valves NO valves NC valves NO valves NC valves NO valves opening closing opening closing opening closing opening closing opening closing opening closing DN DN DN DN DN DN5 - " B (Screwed and Butt weld) B5 (Threaded spigot) B (Sanitary clamp) B (Flanged EN 9) B (Flanged ASME 5) C C Ø Spigot E F A (Screwed and Butt weld) A5 (Threaded spigot) Associated equipment Pilot solenoid Type DM -port two way electropneumatic pilot solenoid valve that can be directly mounted (banjo connection) to the PFG-NC, NO and BD series piston actuated valves to provide actuator pilot pressure to open normally closed or close normally open valves. Suitable for air or water operating media. The valve is supplied with a DIN connector. For full details refer to the relevant Technical Information Sheet. Available types A (Sanitary clamp) Model Type Actuator Voltage/Frequency Connection DM 5 mm / 5 or / Vac " BSP DM 5 mm / 5 or / Vac " BSP DM 5 mm / 5 or / Vac " BSP DM 5 mm Vdc " BSP DM mm / 5 or / Vac ¼" BSP DM mm / 5 or / Vac ¼" BSP DM mm / 5 or / Vac ¼" BSP DM mm Vdc ¼" BSP DM 9 mm / 5 or / Vac ¼" BSP DM 9 mm / 5 or / Vac ¼" BSP DM 9 mm / 5 or / Vac ¼" BSP DM 9 mm Vdc ¼" BSP A (EN 9) and A (ASME 5) TI-P7- CH Issue Page 7 of PF Stainless Steel Piston Actuated On/Off Valves

8 Valve selection guide DN5 (), DN (), DN5 (), DN (), DN () and DN5 (") DN5 Valve type P = Piston valve P Valve characteristic F = Fast opening F Body material = Stainless steel Connections Valve plug seal = Threaded spigots to ISO / = Screwed BSP or NPT = Butt weld Note: state pipeline connection when ordering: = Flanged EN 9 or ASME Class 5 (welded on flanges) = - DIN 5 pipe - ASME B. / ISO 5 pipe 5 = Sanitary clamp Note: state pipeline connection ISO 5 or ASME BPE when ordering G = Modified PTFE G5 soft seat G Blank Stem seal H = Actuator type Valve position Optional = PTFE + 5% carbon graphite filled PTFE + FKM chevron (standard) 5% carbon graphite filled PTFE + FKM chevron Note: Option H is not available for the sanitary clamp version or valves fitted with Type actuators. = 5 mm diameter = mm diameter = 9 mm diameter NC NO BD Blank A = B = I R = Normally Closed = Normally Open = Bi-Directional = No options required Position module with mechanical switch Position module with inductive switch = Travel switch = Flow regulator Note: Shaded areas represent fixed parameters Change-over contacts, max. tension Vac, Max. current A PNP, supply - Vdc power ma max. Provides indication of open and closed valve position through an inductive or mechanical switch. Available on all actuators types. Provides indication of open or closed valve position through a magnetic reed switch with volt free contacts. Maximum rating: Voltage (V) = 5 V, Current ( I ) =.5 A, Power (P) = VA. Available on Type and Type actuators with suffix 'I' if this option is required. Provides manual control of maximum flow through the valve. Can also provide manual shut-off on normally open valves. Available on Type and Type actuators with suffix 'R' if this option is required. NC Valve selection guide example DN5 - P - F G NC - - Flanged EN 9 PN How to order Example: off Spirax Sarco DN5 PFG-NC stainless steel piston actuated on/off valve having flanged EN 9 PN connections. Spare parts A seal kit is available for all valve and actuator sizes comprising: Piston lip seal, stem 'O' ring, valve head seal (Modified PTFE G5), body seal and 'O' ring. How to order spare seal kits Always order spares by specifying the valve size, type and date code (given on the actuator label i.e. / = Month, Year ). Example: off Seal kit for a PFG-NC, date code /. Safety information, installation and maintenance For full details, see the Installation and Maintenance Instructions supplied with the product. Installation note: These valves can be mounted in any orientation. The actuator can be rotated in the direction indicated on the product label to facilitate easy pilot mounting connection. Page of TI-P7- CH Issue PF Stainless Steel Piston Actuated On/Off Valves

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