What is the Minimum Order Quantity (MOQ)?

An MOQ of 1 piece is welcome to start cooperation.

Can you provide material certificates?

Yes, we can provide material certificates, mill certificates, pressure testing certificates, and more upon request.

How do you handle quality problems?

We resolve issues through replacement, compensation, or resending goods, depending on the specific condition.

Angle Type Diaphragm Safety Emergency Open Pressure Sustaining Holding Relief Valve (GL500XA)

Name: Angle Type Diaphragm Safety Emergency Open Pressure Sustaining Holding Relief Valve (GL500XA)
Brand: ZHEJIANG MENCROWN VALVE CO., LTD.
SKU: 2128350635

Zhejiang, ChinaZHEJIANG MENCROWN VALVE CO., LTD.

US$25.00-300.00

1 Piece

Product profile

Customization

Available

Media

Water, Oil, etc

Certification

ISO, CE

Model NO.

500XA

Temperature

Ordinary Temperature

Connection

Flange

Pressure

Adjustable

Closed

Structure

Diaphragm(for Pn10~25) / Piston (Pn40 More)

Material

Ci, Di, CS, Ss etc

Temperature Applicable

≤80℃

Medium Applicable

Water, Oil etc

Pressure Rating

Pn10, Pn16, Pn25, Pn40 (Cl150, Cl300)

Transport Package

Bubble Plastic Paper + Plywood Case

Specification

DN50 ~ DN800

Trademark

KARFAR

Origin

China

HS Code

8481804090

Production Capacity

5000PCS/Month

Key features

Multi-Function Control: Functions as pressure relief, pressure sustaining, and emergency open valve for pipeline protection.

Wide Pressure Range: Supports PN10, PN16, PN25, PN40 and CL150, CL300 ratings for diverse industrial applications.

Durable Material Options: Body available in Cast Iron, Ductile Iron, Cast Steel, and Stainless Steel for longevity.

Strict Quality Control: 100% inspection including PMI, pressure tests, and air tests to prevent leakage and defects.

Flexible Customization: Offers full customization from samples, designs, and minor adjustments to meet specific needs.

Certified Reliability: Holds ISO9001, CE, and TS Pressure pipe components manufacturing qualifications.

Fast Delivery: Normal products delivered in 15 days; bulk orders in 20-30 days depending on quantity.

Comprehensive Warranty: Provides 1-year warranty for all products, excluding gaskets and easily broken parts.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

ZHEJIANG MENCROWN VALVE CO., LTD.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 26 Years CertifiedNearest Port: Ningbo Port; Shanghai PortAverage Response Time: ≤15h

About Our Factory & Business Background

AddressSanqiao Indusrial Park, Wenzhou, Zhejiang, China

Plant Area6217.9 square meters

Number of Employees29

Registered Capital53,400,000 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: within 15 workdays

Minimum Order Quantity1 Pc

Supply Chain Partners50

Our Production Capability & Technical Expertise

Main ProductsValve, Check Valve, Control Valve, Hydraulic Control Valve, Pressure Reducing Valve, Butterfly Valve, Gate Valve, Ball Valve, Globe Valve, Non-Slam Check Valve

Production Lines20

Production MachinesDrilling machine, CNC machine, vertical lathe, Lathe machine

QA/QC inspectors2 people

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

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers5 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment1998-06-04

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturer factory with our own exporting license.

Q:What certifications do you have?

We have ISO and CE certificates, along with several design patents.

Q:How do you control product quality?

We use PMI machines, pressure and air test machines, and conduct double water pressure testing. Five QC staff inspect finished products to avoid defects.

Q:What is the warranty period?

We provide a 1-year warranty for all products. Gaskets and easily broken parts are excluded due to varying customer applications.

Q:What is the delivery time?

Normal products are delivered in 15 days. Bulk orders take 20-30 days, depending on the order size.