Product Overview
Model 880V / Materials of Construction
Relief Valve  Detail
 #  DESCRIPTION  MATERIAL
 1  Body  A536 GR 65-45-12 
 2  Cover 1st Check  A536 GR 65-45-12 
 2.1  O-Ring  EPDM ASTM D2000 
 2.2  Capscrew  Plated Steel 
 2.3  Hex Nut  Plated Steel 
 2.4  Expansion Pin  SS 
 2.5  Cover 2nd Check  A536 GR 65-45-12 
 3  Seat Ring  B584 Alloy C83600 
 3.1  Gasket  EPDM ASTM D2000 
 4  Arm  B584 Alloy C83600 
 4.1  Bushing Swg Pin  Acetal Resin 
 4.2  Swing Pin  SS 
 5  Retaining Clip  SS 
 5.1  Hairpin Cotter  SS 
 6  Check Disk  EPDM Coated GR, 45 
 SeatDisk DuctileIronw/SSStem 
 6.1  Disk Holder (10")   
 6.2  Disk Retainer (10")   
 6.3  Capscrew (10")   
 7  Load Pin  SS 
 9  Spring Stem  SS 
 9.1  Elastic Stop Jam Nut  SS 
 10  Spring 1st Check  SS 
 10.1  Spring 2nd Check  SS 
 11  Spring Guide  SS 
 12  Upr Spring Retnr  Alloy 
 12.1  Bushing-Spr. Stem  Acetal Resin 
 13  Pivot Bearing  Alloy
 #  DESCRIPTION  MATERIAL
14 FlangeGasket Rubber/Fabric 
 15  Bearing Socket  Acetal Resin 
 16  Hex Jam Nut  SS 
 17  Washer  SS 
 18  Flange Bolt  Plated Steel 
18.1  Flange Nut  Plated Steel 
 20  R.V. Cover  Alloy 
 20.1  Bleed Screw  SS 
 20.2  Gasket  HDPE 
 21  R.V. Body  Alloy 
 22  Cover Bolt  SS 
 23  Elbow  A536 GR 65-45-12 
 24  RV Mtg Bolt  Plated Steel 
 24.1  Washer - RV  Plated Steel 
 25  RV Mtg Bolt  Plated Steel 
 27  Lrg. Diaphragm  Nitrile ASTM D2000 
 28  Button  A240 304 SS 
 28.1  Flow Screw  Acetal Resin 
 29  RV Spring  SS 
 30  Stem - RV  Acetal Resin 
 31  Main Guide - RV  Alloy 
 31.1  O-Ring - RV   FDA EPDM 
 32  Seat Disc - RV  EPDM ASTM D2000 
 33  Lower Guide  Acetal Resin 
 34  Seat Disc  Alloy 
 34.1  O-Ring  FDA EPDM 
 35  O-Ring  Acetal Resin 
 35.1  Back-Up Ring  EPDM ASTM D2000
 #  DESCRIPTION  MATERIAL
 36  Adaptor Plate  Alloy 
 37  Sm. Diaphragm  Nitrile ASTM D2000 
 38  Retainer  Alloy 
 38.1  Slip Ring  Acetal Resin 
  39  Flow Washer  Acetal Resin 
  40  Ball Valve  Alloy 
 41  Nipple  Brass 
  42  Gate Valve  AWWA C509 
 43  Bulkhead Fitting  Alloy 
 43.1  Bulkhead Fitting  Alloy 
 45  Gasket  EPDM ASTM D2000 
 45.1  Gasket  EPDM ASTM D2000 
 47  Nut  Alloy 
 50  Sensing Line  SAE Hydraulic Hose 
 51  Street Elbow  Alloy 
60 IdenticationPlate Alloy 
 62  Drive Screw  SS 
 70  Clamp (880V)  AWWA C606
10" (250mm) Disc Assembly




