CAST IRON VALVES PRESSURE REDUCING VALVES SERIES

Transcription

1 CAST IRON VALVES PRESSURE REDUCING VALVES SERIES

2 NETAFIM CAST IRON VALVES PRESSURE REDUCING VALVES INLINE 0-600MM ANGLE 0-150MM SPECIFICATIONS Manufactured to ISO 9001 Available Valve sizes INLINE Flanged 50mm to 600mm & Threaded 19mm to 80mm Available Valve sizes ANGLE Flanged 80mm to 150mm & Threaded 0mm to 80mm Body and cover material / ASTM A5 CIS5A Cast Bronze/BS 100 LG Ductile Iron/ ASTM A-56 Cover bolts steel cobalt coated (standard) stainless steel 0 option Flanged connections BST-D (standard) BST-E, ANSI, ISO Threaded Connections BSP, NPT 5, 0, 50 & 80mm Victaulic Connections 80, 100 & 150mm Body coating fusion bonded Polyester (Standard) Nylon 11, Rilsan, Enamel & Ceramic options available Diaphragm nylon reinforced Acylonitrile - Butadiene (NBR) (standard) other options available, EPDM and Viton Operating Pressure Range Bar Temperature range water up to 80 C (175 F). FEATURES & BENEFITS Fast & accurate modulation over a wide range of flows & pressures Supplied fully plumbed & assembled with 8mm Polyethylene tubing, Nylon fittings Pressure change point & Plastic filters Maximum working range of :1 (Standard configuration) Pressure Reducing range from Bar (9-100 Pilot) Full range of springs for varying operating pressures Available in both AC and DC Electric options plus Hydraulic Relay Control Supplied with manual override for positive valve closure. 1

3 9-100 PLASTIC MINI PILOT -WAY PILOT-VALVE PRESSURE-REDUCING DESCRIPTION The is a -way, diaphragm actuated, spring- loaded pilot-valve that is designed for control of pressure-reducing hydraulic valves. The pilot valve serves as a selector between the common port and the two other ports. The pilot valve will vent, pressurize or lock the hydraulic valve s chamber as a factor of the relation between the regulated pressure and the adjusted set-value. FEATURES Made of corrosion-proof composite materials Minimize pressure losses through the main valve by completely venting the control chamber Poppet design: minimal internal sealing and maximal dependability APPLICATIONS Pressure reducing valves - PR Topography-compensating, Normally Open, remote hydraulic-control - RC(NO) GENERAL PRESSURE RATING 10 bar / 150 psi PRESSURE ADJUSTMENT RANGE bar / psi FLUID TEMPERATURE 50 C max. / 10 F max. WEIGHT 0.17 kg / 0.7 lbs MATERIALS BODY AND BONNET GRP ELASTOMERS NBR INTERNAL PARTS SST SPRING SST DIMENSIONS H (HEIGHT) MAX. 10 mm / 5.1 W (WIDTH) 65 mm /.56 PORT CONNECTIONS 1,,, NPT 1/8 H W 1 * Other materials available upon demand SPRING NUMBER COLOUR BAR PSI 5 (Std.) Green Yellow Red Adjustment: Turn the adjusting screw clockwise to increase the set point Low pressure Low pressure High pressure High pressure Required pressure Required pressure

4 HEADLOSS & CAVITATION DATA HEADLOSS psi mwc / 1 1 1/, 1/,, 5 6, , 1 16, 18 0, m /hr CAVITATION DATA UPSTREAM PRESSURE psi bar CAVITATION ZONE SAFE ZONE FOR BRONZE VALVES SAFE OPERATION ZONE bar psi

5 HYDRAULIC PERFORMANCE HYDRAULIC PERFORMANCE LF = Low Flow VALVE MAX. FLOW CONTINUANCE MAX. FLOW INTERMITTENT MINIMAL FLOW STANDARD PRESSURE KV HIGH PRESSURE MODELS KV MM INCH M /HR M /HR M /HR M 1 BAR M 1 BAR 0 / 6 16 < < ½ 5 68 < < LF < < < < ,09 < ,65 <1 1,50 1, ,00,818 <1 1, ,00,818 <1 1, ,500 6,818 <1,600, ,500 6,818 <1,600, ,890 10,609 <1,600, ,500 10,609 <1,600,600

6 DIMENSIONS STRAIGHT FLOW THREADED CONNECTION 5 VALVE SIZE CAST IRON LENGTH BRONZE CAST IRON HEIGHT BRONZE D W CAST IRON WEIGHT BRONZE MM INCH MM MM MM MM MM MM KG KG 0 / ½ ½ LF LF = Low flow STRAIGHT FLOW FLANGED CONNECTIONS STANDARD MODELS 16 BAR / 0 PSI VALVE SIZE L H D W WEIGHT CAST IRON DUCT. IRON BRONZE MM INCH MM MM MM MM KG KG KG LF LF LF - Low flow w L w L D D H H

7 DIMENSIONS ANGLE FLOW THREADED CONNECTION VALVE SIZE H D W WEIGHT MM INCH MM MM MM KG 0 1½ LF LF = Low flow ANGLE FLOW FLANGED CONNECTION VALVE SIZE H D W WEIGHT MM INCH MM MM MM KG D H w 6

8 DIAPHRAGM SELECTION TABLE DIAPHRAGM SELECTION TABLE DIAMETER TYPE NO. PRESSURE RANGE MM INCH MWC PSI 0, 5 /, 1 Standard , 5 /, 1 Low Pressure ½ Standard ½ S. Low Pressure , 65, ½, Standard , 65, ½, Low Pressure , 65, ½, S. Low Pressure , 65, ½, Extreme HP HP High Pressure , 100, Standard , 100, Low Pressure , 100, Extreme HP HP High Pressure HP HP High Pressure , 868 Standard , 868 Low Pressure , 868 S. Low Pressure , 868 Extreme Standard Diaphragm: Nylon Reinforced Natural Rubber. Optional Materials: Nitrile, EPDM, Neoprene Available Upon Request. HP = High Pressure 7

9 DIAPHRAGM SELECTION TABLE DIAPHRAGM SELECTION TABLE DIAMETER TYPE NO. PRESSURE RANGE MM INCH MWC PSI 150HP 6 HP High Pressure , 00, 50 8, 1, 1 Standard , 00, 50 8, 1, 1 Low Pressure , 00, 50 8, 1, 1 Extreme HP 8 HP High Pressure Standard Low Pressure HP, 00HP, 500HP, 600HP 10 HP, 16 HP, 0 HP, HP High Pressure HP, 00HP, 500HP, 600HP 10 HP, 16 HP, 0 HP, HP Low Pressure Standard Diaphragm: Nylon Reinforced Natural Rubber. Optional Materials: Nitrile, EPDM, Neoprene Available Upon Request. HP = High Pressure PRESSURE RATING Pressure rating of series 100 valves is body strength, connection standard and diaphragm type. Pressure rating of valve body of standard models: 16 Bar / 0 psi. Pressure rating of valve body of high pressure models: 5 Bar / 60 psi. Connection standard is marked on the identification plate, assembled on the valve body. Diaphragms operation pressure range is presented at the above table. 8

10 CAST IRON PRESSURE REDUCING VALVES JANUARY 016