Description

Technical Parameters

Introduction

The High Performance Cryogenic Butterfly Valve is a valve for regulating the flow of cryogenic pipeline media, available in bulk and customizable.

Parameter

Parameter	Specification
Model	PCB300-CRY or OEM
Size Range	2" ~ 42"
Pressure Range	ANSI 150-300
End Connection	RF / BW
Bore	Full bore
Operation	Manual operation, Actuated operation
Body Material	CF3, CF3M, CF8, CF8C, CF8M, etc.
Disc Material	CF3, CF3M, CF8, CF8C, CF8M, etc.
Seat Material	Soft seat in PCTFE, Metal-to-Metal, Metal+Graphite
Additional Options	Additional sizes and pressure classes available upon request
Basic Design Standard	API 609, EN 593
Face-to-Face Standard	ASME B16.10, EN 558
Flange End Standard	ASME B16.5 (up to 24"), ASME B16.47 series A/B (26" and above), EN 1092
Test & Inspection	API 598, EN 12266
Fire-safe Test	API 607
Fugitive Emission Test	ISO 15848-2
Type Testing for FE	ISO 15848-1, API 641
Application	Developed for LNG systems
Bonnet Design	Extended bonnet for cryogenic application
Corrosion Standard	Manufacturing to NACE latest version on request

Features of High Performance Cryogenic Butterfly Valve

Low Temperature Resistance

The High Performance Cryogenic Butterfly Valve is constructed from 304/316L stainless steel and cryogenic alloys, allowing for long-term operation at -196°C and a valve life exceeding 10 years.

Corrosion Resistance

The valve body surface is polished and cryogenically strengthened, resisting corrosion from liquefied gases and chemical media.

High Sealing Performance

Equipped with PCTFE soft seals or metal + graphite seals, with gaps less than 0.2 mm, preventing cryogenic liquid leakage.

Quick Operation

The butterfly valve can complete a 90° rotation within 3 seconds, suitable for frequent operation environments.

Customization

Customizable Feature	Specification / Options
Valve Body Dimensions	Diameter and thickness can be customized according to pipe specifications
Sealing Material	PCTFE soft seal, metal seal, or metal + graphite seal
Operation Method	Manual, pneumatic, or electric operation
Valve Plate Material	304/316L stainless steel or cryogenic alloy
Flange Standard	ANSI, DIN, JIS (customizable according to requirements)
Surface Treatment	Polishing, sandblasting, or cryogenic hardening treatment

FAQ

Q: What is the working principle of the High Performance Cryogenic Butterfly Valve?

A: It controls the flow rate of cryogenic liquids through a rotary valve plate, achieving precise switching and ensuring stable fluid control in the pipeline.

Q: What media are suitable?

A: It can be used for liquefied natural gas, liquid oxygen, liquid nitrogen, and other cryogenic industrial liquids.

Q: How to install?

A: Supports flange or butt welding installation. It can be fixed according to ANSI, DIN, and JIS standards, making installation convenient.

Q: How to clean and maintain?

A: The seals are removable; use a cryogenic-compatible cleaner for easy maintenance.

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