JEW 1/2 inch SS316 flanged pressure relief valve with PTFE coated spring

Pressure Relief Valve 1/2″ SS316 – PTFE Coated Spring, up to 10 kg/cm²

₹0.00

  • Size: 1/2″ (15 NB), flanged ends
  • Body: SS316 stainless steel
  • Spring: PTFE coated
  • Set pressure: up to 10 kg/cm²

Price on request. Other sizes and set pressures are available.

Enquire on WhatsApp   or call +91 98191 49521

SKU: JEW-PRV-050-SS316 Category:

Description

Critical Line Protection: Safeguard positive displacement pumps, chemical injection skids, and downstream process piping against overpressure catastrophes with 100% Nitrogen-tested safety relief valves.

Technical Specifications

ParameterEngineering Specification
Nominal Size1/2″ (15 NB) Inlet x 1/2″ (15 NB) Outlet (3/4″ & 1″ also available)
End ConnectionsFlanged ANSI B16.5 Class 150# / 300# / Screwed BSP / NPT (F)
Set Pressure Range0.5 to 10 kg/cm² adjustable (High pressure models up to 100 bar)
Body & Bonnet MaterialBar-Stock SS 316 / SS 316L (Alloy 20, Hastelloy C-276, Monel optional)
Internal SpringHeavy-duty Spring with proprietary PTFE (Teflon) Anti-Corrosion Coating
Diaphragm / Sealing DiscVirgin PTFE (Teflon) / Viton / Kalrez for zero-leak bubble shut-off
Factory Quality Testing100% Nitrogen Gas Bubble Tested + Hydrostatic Shell Pressure Testing

Request Technical Datasheet & Fast Quote
We supply chemical metering pumps with ±1% accuracy, API 675 compliance, Mill Test Certificates (MTC 3.1) & Hydrostatic Test Logs. Worldwide export packaging available from JNPT Mumbai.
💬 WhatsApp Instant RFQ: +91 98191 49521
Direct Call: +91 98191 49521 | Email: hardik@jewpump.com

Frequently Asked Technical Questions

{“@context”: “https://schema.org”, “@type”: “FAQPage”, “mainEntity”: [{“@type”: “Question”, “name”: “Why is a pressure relief valve mandatory on a positive displacement pump line?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “Positive displacement pumps deliver constant volume regardless of discharge pressure. If a discharge valve is closed or a line is blocked, pressure builds indefinitely until pipe rupture or motor burn. A PRV relieves excess pressure safely back to the suction tank.”}}, {“@type”: “Question”, “name”: “How does the PTFE coated spring improve valve life?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “In corrosive chemical and acidic vapor services, conventional springs suffer rapid pitting and fatigue failure. JEW’s proprietary PTFE encapsulation protects the spring wire from corrosive attack, ensuring consistent cracking pressure.”}}, {“@type”: “Question”, “name”: “How are JEW pressure relief valves tested before delivery?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “Every valve undergoes 100% Nitrogen gas bubble testing conforming to API 527 standards to guarantee zero seat leakage up to 90% of set cracking pressure, along with hydrostatic shell testing.”}}]}

Q: Why is a pressure relief valve mandatory on a positive displacement pump line?
Positive displacement pumps deliver constant volume regardless of discharge pressure. If a discharge valve is closed or a line is blocked, pressure builds indefinitely until pipe rupture or motor burn. A PRV relieves excess pressure safely back to the suction tank.

Q: How does the PTFE coated spring improve valve life?
In corrosive chemical and acidic vapor services, conventional springs suffer rapid pitting and fatigue failure. JEW’s proprietary PTFE encapsulation protects the spring wire from corrosive attack, ensuring consistent cracking pressure.

Q: How are JEW pressure relief valves tested before delivery?
Every valve undergoes 100% Nitrogen gas bubble testing conforming to API 527 standards to guarantee zero seat leakage up to 90% of set cracking pressure, along with hydrostatic shell testing.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products