A&F MACHINE PRODUCTS CO.

                                 Manufacturer of Helwig Chemical Feed Pumps and related water treatment equipment    
 

 

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1 1/2" & 2" DIAPHRAGM HEAD ASSEMBLIES & PARTS

ITEM PART # DESCRIPTION ITEM PART # DESCRIPTION
9 0100-7 1 1/2" POLYETHYLENE PUMP HEAD ASSEMBLY W/CHECKS*** 11* 002-22P-S POLYETHYLENE SUCTION CHECK VALVE ASSEMBLY
   0100-8 2" POLYETHYLENE PUMP HEAD ASSEMBLY W/CHECKS***   002-19-S 303SS SUCTION CHECK VALVE ASSEMBLY**
9A 007-8 11/2" DIAMETER HYDRAULIC PISTON 11A 16-SS SS SNAP RING BALL RETAINER
  007-9 2" DIAMETER HYDRAULIC PISTON 11C 007-20 3/4" DIAMETER CERAMIC BALL CHECK
9B 012-8 1 1/2" HYDRAULIC PACKING SET (BUNA N)   002-17 3/4" DIAMETER 316SS BALL CHECK
  012-9 2" HYDRAULIC PACKING SET (BUNA N) 11D 002-30 POLYETHYLENE CHECK VALVE BODY
9C 017-20 1 1/2" & 2" PACKING SPRING   002-18 303SS CHECK VALVE BODY
9D 017-21 2 1/2" ID X 1/8" DIAMETER "O" RING SEAL 12A 001-H20 1 1/2" & 2" HYDRAULIC HEAD CASTING
9E 018-1 1 1/2" PACKING SPACER 12C 030-2H SCREEN
  018-2 2" PACKING SPACER 12D 026-2H 1 1/2" & 2" HYDRAULIC HEAD TEFLON DIAPHRAGM
9F 002-13 1" NPT X CLOSE BLACK NIPPLE 12E 025-H20 1 1/2" & 2" POLYETHYLENE HYDRAULIC HEAD (STANDARD)
9G 003-20 1 1/2" & 2" CARBON STEEL END CAP   025-H20-S 1 1/2" & 2" 303SS HYDRAULIC HEAD
9H 006-1 GREASE FITTING 12F 029-H20 POLYETHYLENE PUMP HEAD CLAMP PLATE
9K 008-20 1 1/8" OD X 1" ID X 3/4" LONG OILITE BUSHING 12G 027-H20 HEAD BOLTS (12 REQUIRED)
9L 001-20 1 1/2" & 2" PUMP HEAD SHELL 12H 002-13-P 1" NPT X SHORT PVC NIPPLE
10* 002-22P-D POLYETHYLENE DISCHARGE CHECK VALVE ASSEMBLY   002-13-S 1" NPT X SHORT 316SS NIPPLE
  002-19-D 303SS DISCHARGE CHECK VALVE ASSEMBLY** 12J 002-12-P 1" NPT PVC TEE
10A 16-SS SS SNAP RING BALL RETAINER   002-12-S 1" 316SS TEE
10B 002-27 ANTI-SIPHON SPRING 12K 031 HEAD SUPPORT LEG
10C 007-20 3/4" DIAMETER CERAMIC BALL CHECK 13 002-12-P 1" NPT PVC TEE
  002-17 3/4" DIAMETER 316SS BALL CHECK 13A   1/2" NPT X 1" NPT PVC BUSHING
10D 002-30 POLYETHYLENE CHECK VALVE BODY 13B   1/2" NPT X 1 1/2" PVC NIPPLE
  002-18 303SS CHECK VALVE BODY 13C 36P 1/2" NPT POLYETHYLENE PRESSURE RELIEF VALVE
* RECOMMENDED SPARE PARTS OPTIONAL MATERIALS
** 316SS
*** 303SS
*** 316SS

1 1/2" & 2" DIAPHRAGM HEAD PARTS PDF