Cryogenic Gate Valve Type 01331 Welded

TECHNICAL DESCRIPTION

Cryogenic shut-off and check valves, PN50 (DN150=PN40)

· stainless steel body and bronze bonnet · pre-stressed gland · cleaned and degreased for oxygen service Butt weld ends acc. to ISO 1127 and ASTM A312: · Part No. 01331.X.000* Valves · Part No. 01331.X.500* Check valves Welding sockets acc. to ISO 1127 and ASTM A312: · Part No. 01331.X.0004 Valve · Part No. 01331.X.5004 Check valves <span style=”font-weight:800;”>WORKING FLUID / MEDIUM</span>

Approved for gases, vapors and liquefied cryogenic gases and LNG.

OPTIONS

· welded sleeves for stainless steel pipes according to ISO 1127 and ASTM A312 – length FF + 200mm · regulating valve (with threaded connection) · wall thickness of extension pipes

Dimensions: DN 10 – 100

Description

The CRYOGENIC GATE VALVE TYPE 01331 WELDED is engineered for superior performance in extreme low-temperature environments, making it an essential component for industries such as LNG processing, aerospace, and chemical manufacturing. Constructed with high-grade materials and precision welding, this valve ensures leak-tight sealing and operational reliability under cryogenic conditions, down to -196°C. Its robust design minimizes thermal contraction issues, providing consistent flow control and safety in critical applications.Key features of this cryogenic gate valve include:Full bore design for minimal pressure drop and efficient fluid flowStainless steel construction with extended bonnet to prevent seat freezingFire-safe certification and compliance with international standards like ISO 15848Bi-directional sealing capability for versatile installationManual or automated actuation options to suit operational requirementsIdeal for use in storage tanks, transportation systems, and processing plants, the Type 01331 valve offers durability and low maintenance, reducing downtime and total cost of ownership. Its welded connections ensure permanent, secure installation, eliminating leakage risks in high-pressure cryogenic systems. Trust this valve for unmatched performance where temperature integrity and safety are non-negotiable.

Additional information

Materials

No. Materials DIN EN ASTM
1 Body 1.4308 A351CF8
2 Saddle up to DN50 Teflon PTFE / graphite filler (25%)
2a DN65 saddle Teflon PTFE
3 Valve brass CW614N B283 UNS C38500
4 Lid gasket Teflon PTFE
5 Upper part CC493K B505 UNS C93200
6 Bolts 1.4301/A2 A 194 B8
8 Spindle 1.4301 A276 type 304
9 Salnikov condensed. graphite / Teflon PTFE
10 Packing nut brass CW614N B283 UNS C38500
11 Flywheel aluminum alloy
12 Spring CW452K B159 UNS C51900

Features

SPECIFICATION
Type 01331 valve/return valve PN 50 (DN150=PN40)
Connection ends for forehead welding
Construction length construction normal
Attaching the lid flanged
Execution straight
Joining on a weld
Drive manually
Working temp. [°C] -196 °C / -321 °F
+120 °C / +248 °F
Recommended temp. [°C] -60°C / -76°F
+120 °C / +248 °F
Dimensions
DN Size code (X.) Construction length (FF) Height (H) Pipe Ø ISO 1127 (RA) Wall thickness ISO 1127 (a) OD pipe Ø ASTM A312 (RA) Wall thickness ASTM A312 (a) Socket depth (b) Flywheel Ø (B) Hex size (S1) Hex size (S2) Weight (kg) Kvs (m³/h) Cv (gal/min)
10 1012 70 140 12.0 1.0 13.72 S10 or S40 6 100 7 30 1.0 1.6 1.9
15 1517 85 140 17.2 1.6 17.15 S10 or S40 10 100 7 30 1.25 3.8 4.4
15 1521 85 140 21.3 2.0 21.34 S10 or S40 10 100 7 30 1.3 4.3 5.0
20 2026 100 140 26.9 2.0 26.67 S10 or S40 13 100 7 30 1.7 6.7 7.8
25 2533 115 140 33.7 2.0 33.40 S10 or S40 13 100 7 30 2.0 11.5 13.4
32 3238 115 170 38.0 2.0 - S10 or S40 - 125 10 36 2.8 14.0 16.2
40 4042 130 175 42.4 2.0 42.16 S10 or S40 13 125 10 36 4.2 20.6 23.9
40 4048 130 175 48.3 2.0 48.26 S10 or S40 13 125 10 36 4.2 22.6 26.3
50 5060 155 200 60.3 2.0 60.32 S10 or S40 16 125 10 36 6.7 37.1 43.2
65 657x 205 260 76.1 2.6 73.02 S10 or S40 16 200 10 36 10.7 71.1 82.7
80 8088 245 310 88.9 3.2 88.90 S10 or S40 16 250 10 36 16.0 104.0 120.9
100 0114 280 350 114.3 6.0 114.30 S10 or S40 20 315 12 41 22.0 170.0 195.2
150 0168 400 420 168.3 7.1 168.27 S10 or S40 20 360 15 41 54.1 350.0 401.8