1 years warranty for all of our products. Gaskets or the easy broken parts are not included due to the different application for customers.

40 years in this industry. It makes us professional. Good credit in this market. All of our machines are the assurance of our responsibility.

1PCS MOQ is welcome for starting cooperatoon

Material certificate?

Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us.

Double Damper Counter Weight Slow Shut Check Valve (HH47)

Name: Double Damper Counter Weight Slow Shut Check Valve (HH47)
Brand: ZHEJIANG MENCROWN VALVE CO., LTD.
SKU: 2110259145

Zhejiang, ChinaZHEJIANG MENCROWN VALVE CO., LTD.

US$40.00-400.00

1 Piece

Product profile

Customization

Available

Media

Water, Steam, Oil, Gas etc

Temperature

High Temperature

Model NO.

HH47

Material

Ci, Di, CS, Ss etc

Connection Form

Flange

Structure

Swing

Pressure

Ordinary Pressure

Function

Nrvz Silence, Nrvg Silence

Sealing Form

Metal to Metal Sealing

Flow Direction

Unidirection

Standard

ANSI, a.Pi, DIN, BS, GB etc

Application

Industrial Usage, Water Industrial Usage

Medium Applicable

Fresh Water, Sewage, Sea Water, Air, Gas, Acids

Transport Package

Bubble Plastic Paper + Plywood Case

Specification

DN300 - DN1800

Trademark

KARFAR

Origin

China

HS Code

8481804090

Production Capacity

2000 PCS / Month

Key features

Triple Offset Structure: Optimal face-to-face length reduces flow resistance and eliminates pressure surge.

Buffer Damper Design: External installation prevents medium pollution; ensures smooth, vibration-free operation.

Adjustable Closing Speed: Two-step closing: rapid then slow. Slow speed is adjustable for specific conditions.

Metal to Metal Sealing: Perfect sealing performance with no leaking, ensuring high reliability.

Wide Material Options: Available in Cast Iron, Ductile Iron, Cast Steel, and Stainless Steel.

Low Opening Pressure: Opening pressure is <=0.08Mpa for quick and efficient response.

Compact and Lightweight: Small size and light weight with compact structure for easy maintenance.

Customization Available: Supports customization from samples, designs, and full customization options.

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: ≤10.54h

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 trading company or factory?

We are a manufacturer factory and we also have our own exporting license.

Q:Do you have certificate?

Yes, ISO, CE certificate. We also have some patents in design.

Q:How do you control the quality?

In quality control, problem may lie in every aspects, but the most important is to avoid leaking problem. In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant. Pressure inspecting machine, PMI machines, Body strength test machine, Air test machine...All machines help in inspection. 2 staff do water pressure testing twice, before resin epoxy coating and after essembly. 5 quality control staffs inspect the finished productions to avoid shortag

Q:If there is any quality problem, how do you solve it?

We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition.

Q:How long is your delivery time?

For normal products in 15 days; For bulk order, in 20-30 days. It depends.