What is the minimum order quantity (MOQ)?

The minimum order quantity is 2 Tons.

What payment terms are accepted?

We accept T/T, L/C, D/P, D/A, PayPal, and Western Union. Currency options include USD, EUR, and CNY.

How do you guarantee quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment. All products undergo 100% visual and functional inspection.

Pressure Relief Valve Explosion Proof Vent Plug for Water

Name: Pressure Relief Valve Explosion Proof Vent Plug for Water
Brand: Union Steel Industry Co., Ltd.
SKU: 2188029825

Hunan, ChinaUnion Steel Industry Co., Ltd.

US$66.00

1-4 pieces

US$60.00

5-9 pieces

US$35.00

10+ pieces

Product profile

Customization

Available

Media

Water

Certification

ISO, CE

Temperature

Ordinary Temperature

Connection

Flange

Pressure

Adjustable

Closed

Semi-Closed

Structure

Spring

Material

Cast Iron

Thread

NPT, BSPT, BSPP

Working Temperature

Medium Temperature (120°c<T<450°c)

Body Material

Cast Iron/Ductile Iron/Wcb/CF8m/CF8/Al-Bronze

Seat Material

NBR/EPDM/PTFE/Silicone etc

End Standard

Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F

Package

Bubble Bags and Wooden Box

Connection Form

Thread

Seal Form

Hard/Soft Sealed

Certificates

CE ISO Wras Acs Dnv

Coating

Customized

Face to Face

DIN3202 F4, F5, BS5155

Size

DN15-DN100

Handle

Lock or No Lock

Capacity

6000 Pieces/Year

Transport Package

Wooden

Trademark

USI

Origin

China

Key features

Explosion Proof Safety: Designed as an explosion-proof vent plug for water systems, ensuring safety in hazardous environments.

Adjustable Pressure Relief: Features a spring-loaded mechanism with adjustable pressure settings to prevent overpressure damage.

High-Quality Materials: Constructed from durable materials including Cast Iron, Stainless Steel (SS304/316), and specialized alloys.

Certified Compliance: Meets ISO, CE, API 526, and API 527 standards for rigorous safety and performance requirements.

Customizable Options: Supports customization for thread types, body materials, seat materials, and working temperatures.

Robust Construction: Engineered with a solid nozzle and balanced bellows to withstand high-pressure and corrosive media.

Easy Maintenance: Compact design with easy-to-maintain components, minimizing downtime and maximizing productivity.

Wide Application Scope: Ideal for oil, gas, chemical processing, and power generation industries for vessel protection.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

Union Steel Industry Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 years CertifiedNearest Port: Tianjin Port;Shanghai Port;Average Response Time: ≤5.67h

About Our Factory & Business Background

AddressNo. 380, Huijin Industry Park, Furong Road, Changsha City Hunan Province, Changsha, Hunan, China

Plant Area160 square meters

Number of Employees18

Registered Capital10,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity2 Tons

Supply Chain Partners100

Our Production Capability & Technical Expertise

Main ProductsSteel Pipe, Seamless Steel Pipe

QA/QC inspectors1 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers1 people

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2023-01-18

Main MarketsEurope

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff15

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Cooperated with Fortune 500No

Product Q&A

Q:What is the warranty period?

We provide a comprehensive 2-year warranty for all our mechanical equipment.

Q:What materials are used for the valve body and seat?

The body can be made of Cast Iron, Ductile Iron, WCB, CF8m, CF8, or Al-Bronze. The seat material options include NBR, EPDM, PTFE, or Silicone.

Q:Can the valve be customized?

Yes, we support OEM and ODM. Customization is available for thread types (NPT, BSPT, BSPP), body materials, seat materials, end standards, and working temperatures.

Q:What is the delivery time for orders?

Spot products will be delivered within 3 days from the execution date of the PI. Customized products will be delivered within 15 days.

Q:What certifications does the product have?

The product is certified with ISO, CE, WRAS, ACS, and DNV standards.