Emergency Shutdown Valve

Emergency shutdown valves are manufactured in accordance with API 6D standards. The complete range of forged valves is designed in two or three bolted pieces with a solid double trunnion configuration and two independent seats for an easy bidirectional sealing, to ensure the greatest level of tightness and reliability under high pressure and temperature conditions in all critical isolation services.

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Product Introduction

Emergency Shutdown Valve has three excellent characteristics:

First,Rapid and reliable response: the response time of the emergency cut off valve is within a few seconds, which can quickly cut off the fluid flow and prevent the expansion of the accident.

Second, Strong and durable structure: The valve body is made of high-quality stainless steel or carbon steel, with excellent anti-corrosion and anti-wear properties.

Third, High safety performance: Our Emergency Shutdown Valve with fire protection, leakage protection, overpressure protection and emergency shutdown and other safety protection functions.

In oil refineries, emergency shut-off valves can be used to prevent accidents such as fires, leaks and explosions.

In chemical plants, emergency shut-off valves can be used to prevent leakage of hazardous chemicals and uncontrolled reactions.

In natural gas transmission pipelines, emergency shut-off valves can be used to prevent hazards such as leaks and explosions.

Emergency Shutdown Valve can also be connected to combustible gas leak monitoring instruments, limit temperature (pressure) safety controllers for thermal equipment, central fire alarm systems for high-rise buildings, etc., to achieve a wider range of safety protection.

VALVE DESIGN

Based on API 6D and Customer requirements

TEMPERATURE RANGE

-150 to 662°F (-101 to 350°C)

SIZE

NPS 1-56 (DN 25-1400)

PRESSURE RATING

ASME 150 - ASME 2500

FACE-TO-FACE

As per API 6D standard

END CONNECTIONS

RF, RTJ as per B16.5 &B16.47

BW, Butt Welded as per B16.25

SW, Socket Welded as per B16.11

Hub connection

MATERIALS:

Carbon Steel

Stainless Steel

Low-Temperature Carbon Steel

Duplex, Super Duplex, Inconel

BODY DESIGN

Forged and casting bolted two-piece and three-piece

SEAT DESIGN

Soft or metal seated with Hard facing on ball and seats

Double piston seats

Combination seats

FEATURES

Double block and bleed design (DBB)

Secondary seals in pure Graphite

Anti-Static Device

Anti Blow out stem

Emergency sealant injection on seats and stem available

Low fugitive emission stem packing available

O-ring /Lip seals and Graphite configuration

CRA overlay on all dynamic sealing areas or on all wetted parts available

Extended bonnet for low & high temperature available

OPERATOR

Manual: wrench or Gear with padlocking

Actuated: Pneumatic/ Hydraulic/Electric

TESTING & CERTIFICATIONS

Compliance with API 6D & ISO 5208 & API 598 inspection and testing

Fire safe and fire tested as per API 607

SIL 3 Certification as per IEC61508

Fugitive Emission as per ISO15848

PED 2014/68/UE

FAQ

Q: Can you do the design for us?

A: Yes. Our company have independent technical department that can provide the customized design service. Thus, we can provide the unique design in accordance with customs'requirements.

Q: How long can I expect to get the sample?

A: About 45-70 days working days for samples.When you place the sample order,then we will soon arrange the procurement of orignal material, put the it to production machine,and then coat it and assembly it,etc.Thus,don't hesitate to place order,the less time you hesitate,the shorter time of production we take,and the quicker the goods deliery.

Q: What about the lead time for mass production?

A: 45-70 working days for mass production.It depends on your quantity,and we will try our best to meet your needs.

Q: What is your terms of delivery?

A: EXW, FOB, CIF, etc.

Q: Can we visit your factory before place the order?

A: Yes, In the majority of our clients,they will visit our factory or make a video communication with us before they place the order. It is a good way for us to build up a good relationship and crediability with our clients,when we cooperate with each other in the first time.

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