Relief Valve Assembly

Assembly

Centrifugal Pump.jpg · Commons ↗ Report photo

Diaphragm-operated valve under the zone that opens to atmosphere whenever zone pressure rises to within 2 psi of inlet pressure.

Direct parts	7
Total parts	7
Used in	1 assembly
Class	Assembly

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Diaphragm-operated valve under the zone that opens to atmosphere whenever zone pressure rises to within 2 psi of inlet pressure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Relief Valve Assembly parts and their functions

7 top-level parts · 7 parts in total · full bill of materials below

Relief Valve Assembly parts diagram: 1 relief diaphragm, 2 relief valve disc, 3 relief valve seat, 4 coil spring, 5 relief valve cover, 6 o-ring set, 7 fastener set. 7 parts in 7 top-level items. — Relief Valve Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Relief Diaphragm	1×	Senses inlet vs zone
2	Relief Valve Disc	1×	Elastomer-faced disc that normally seals the relief port shut while the 2 psid margin is held.
3	Relief Valve Seat	1×	Machined port ring sized to discharge full line flow to atmosphere in a catastrophic failure.
4	Coil Spring	1×	Opening bias spring
5	Relief Valve Cover	1×	Bolted bronze cover that clamps the diaphragm rim and encloses the sensing chamber.
6	O-Ring Set	1×	Set of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.
7	Fastener Set	1×	Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Relief Valve Assembly

7 top-level lines · 7 rows shown · 7 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Relief Diaphragm	backflow-preventer-relief-diaphragm	1×	1	·	part
2	Relief Valve Disc	backflow-preventer-relief-disc	1×	1	·	part
3	Relief Valve Seat	backflow-preventer-relief-seat	1×	1	·	part
4	Coil Spring	coil-spring	1×	1	·	part
5	Relief Valve Cover	backflow-preventer-relief-cover	1×	1	·	part
6	O-Ring Set	oring-set	1×	1	·	part
7	Fastener Set	fastener-set	1×	1	·	part

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Where the relief valve assembly is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Plumbing & Sanitary 1 Reduced-Pressure Backflow Preventer

Used in 1 assembly

Reduced-Pressure Backflow Preventer

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $5–$2k. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Kirloskar kbl.co.in ↗	Pune, IN	Pumps & fluid systems	200 units	6–10 wks
🇨🇳Leo Group leo.com.cn ↗	Taizhou, CN	Pumps	200 units	6–10 wks
🇮🇳Shakti Pumps shaktipumps.com ↗	Pithampur, IN	Pumps	200 units	6–10 wks
🇨🇳CNP Pumps cnppumps.com ↗	Hangzhou, CN	Pumps	200 units	6–10 wks
🇮🇳Roto Pumps rotopumps.com ↗	Noida, IN	Pumps	200 units	6–10 wks