M-Series Back Pressure Valve

Product info
BPM | M-Series Back Pressure Valves
Description
Griffco's [ BPM ] M-Series Back Pressure Valve
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Headline

M-Series Low-Flow Back Pressure Valves

Griffco M-Series diaphragm low-flow back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

Features & Benefits
Valve Features
  • Anti-siphon function
  • Solid, robust, machined construction
  • Flanged, union, threaded and socket connection options
  • Molded Noryl top with integral hardware locking
  • 316L SS metal valve and top options
  • Molded PTFE/EPDM diaphragm
  • Adjustable up to 350 psi (24 bar)
  • 4 optional pressure ratings (springs)
  • Valve sizes from 1/4" to 1/2" or DN 8 to DN 15
  • Tamper-resistant adjustment screw
  • High-temperature option up to 300°F (149°C)
Griffco Benefits
  • High reliability at affordable price
  • Long diaphragm life
  • Wide range of valve materials
  • Multiple diaphragm material options
  • Factory or field settable
Additional Notes
Available Sizes
  • 1/4" to 1/2" or DN 8 to DN 15
Wetted Materials
  • PVC
  • CPVC
  • Polypropylene
  • PVDF
  • Hastelloy® C
  • PTFE
  • Halar®
  • 316L SS
  • Alloy 20
Exploded view
Reference parts
ITEM DESCRIPTION PART #
1 10/32 X 2 1/2" Bolt - M-Series 1/2” Plastic Valves 10/32 X 1 3/4 Bolt - M-Series 1/4” – 3/8” Plastic Valves 10/32 X 3/4" Bolt – M-Series Metal Valves PV-00113 PV-00106 PV-00107
2 10/32 Cap Nut - SS PV-00201
3 10/32 Flat Washer (For Metal Valves with Metal tops) PV-00301
4 1/4” - 1/2” Valve Top – Noryl. Black
1/2" – External Adjustment Valve Top – PVC 1/4” - 1/2” Valve Top - 316 SS
PV-004040 PV-004029 PV-00403
6 Pressure Spring - 1/4” - 1/2” Valve; 150 psi PV-00601
Pressure Spring - 1/4” - 1/2” Valve; 50 psi PV-006011
Pressure Spring - 1/4” - 1/2” Valve; 250 psi PV-006013
Pressure Spring - 1/4” - 1/2” Valve; 350 psi PV-006012
Pressure Spring - 1/4” - 1/2” Valve; 100 psi, 316 SS PV-00601S
7 Support Disc - 1/4” - 1/2” Valve, PVC Support Disc - 1/4” - 1/2” Valve, 316 SS PV-00701 PV-00702
8 Diaphragm - 1/4” - 1/2” Valve - PTFE / EPDM Diaphragm - 1/4” - 1/2” Valve – Viton Diaphragm - 1/4” - 1/2” Valve - PTFE / Viton PV-00800 PV-00802 PV-00803
9 Adjustment Screw - 1/4” - 1/2” Valve PET (White) Adjustment Screw - 1/4” - 1/2” Valve Coated Steel PV-00906 PV-00903
10 Protective Vinyl Cap – Small -For Valves w/ OSS & MSS Protective Vinyl Cap – X-small PV-01001 PV-010011
5 1/4” Valve Body PVC BPM-00501
5 1/4" Valve Body PP BPM-00502
5 1/4” Valve Body PTFE BPM-00503
5 1/4” Valve Body PVDF BPM-00504
5 1/4” Valve Body 316 SS BPV-00505
5 1/4” Valve Body Alloy 20 BPV-00506
5 1/4” Valve Body Hast C BPV-00507
5 1/4" Valve Body CPVC BPM-00508
5 3/8” Valve Body PVC BPM-00561
5 3/8” Valve Body PP BPM-00562
5 3/8” Valve Body PTFE BPM-00563
5 3/8” Valve Body PVDF BPM-00564
5 3/8” Valve Body 316 SS BPV-00565
5 3/8” Valve Body Alloy 20 BPV-00566
5 3/8” Valve Body Hast C BPV-00567
5 3/8” Valve Body CPVC BPM-00568
5 1/2” Valve Body PVC BPM-00511
5 1/2” Valve Body PP BPM-00512
5 1/2” Valve Body PTFE BPM-00513
5 1/2” Valve Body PVDF BPM-00514
5 1/2” Valve Body 316 SS BPV-005151
5 1/2” Valve Body Alloy 20 BPV-005161
5 1/2” Valve Body Hast C BPV-005171
5 1/2” Valve Body CPVC BPM-00518
5 1/4” Valve Body PVC PRM-00501
5 1/4" Valve Body PP PRM-00502
5 1/4” Valve Body PTFE PRM-00503
5 1/4” Valve Body PVDF PRM-00504
5 1/4” Valve Body 316 SS PRV-00505
5 1/4” Valve Body Alloy 20 PRV-00506
5 1/4” Valve Body Hast C PRV-00507
5 1/4" Valve Body CPVC PRM-00508
5 3/8” Valve Body PVC PRM-00561
5 3/8” Valve Body PP PRM-00562
5 3/8” Valve Body PTFE PRM-00563
5 3/8” Valve Body PVDF PRM-00564
5 3/8” Valve Body 316 SS PRV-00565
5 3/8” Valve Body Alloy 20 PRV-00566
5 3/8” Valve Body Hast C PRV-00567
5 3/8” Valve Body CPVC PRM-00568
5 1/2” Valve Body PVC PRM-00511
5 1/2” Valve Body PP PRM-00512
5 1/2” Valve Body PTFE PRM-00513
5 1/2” Valve Body PVDF PRM-00514
5 1/2” Valve Body 316 SS PRV-005151
5 1/2” Valve Body Alloy 20 PRV-005161
5 1/2” Valve Body Hast C PRV-005171
5 1/2” Valve Body CPVC PRM-00518