低温截止阀

低温截止阀适用于低温液体贮运设备的管理系统,具有开关灵活、密封可靠的特点,也可用于其他低温和深冷介质的管理系统。 Cryogenic Globe Valves, PN50 (DN100=PN40, DN150=PN25) Stainless steel body and topwo……

低温截止阀适用于低温液体贮运设备的管理系统,具有开关灵活、密封可靠的特点,也可用于其他低温和深冷介质的管理系统。
Cryogenic Globe Valves, PN50 (DN100=PN40, DN150=PN25)
Stainless steel body and topwork,
“live loaded” gland packing
“ cleaned and degreased for oxygen service “
Available options -on request only:
1、Welded stainless steel stubs acc. to DIN EN ISO 1127 or ASTM A312 – length FF + 150mm
2、Extension H up to 900mm
3、Valve with control disc (tapered design)
Applications:

Approved for air gases, vapours and cryogenic liquefied gases incl. LNG. Working temperature: -196°C / -321°F (77K) up to +120°C / +248°F (393K)

Parts material
Materials DIN EN ASTM
1 Body 1.4308 A 351 CF8
2 Valve seal up to DN50 PTFE /Carbon filled (25%)
2a Valve seal from DN65 PTFE
3 Disc 1.4301 A 276 Grade 304
4 Bonnet gasket PTFE
5 Headpiece 1.4301 A 276 Grade 304
6 Bolts 1.4301/A2 A194 B8
7 Elongation tube 1.4541 A213TP321
8 Stem 1.4301 A 276 Grade 304
9 Gland packing Graphite / PTFE
10 Gland nut 1.4305 A 276 Grade 303
11 Handwheel Aluminium alloy
12 Spring 1.4310 A 276 Grade 302
13 Bush CW452K B 103 AlloyA

Standard Technical data

Nominal size DN 10 15 15 20 25 32 40 40 50 65 80 100 150
Face-to-face dimension FF 70 85 85 100 115 115 130 130 155 205 245 280 400
Height H 270 mm or 370 mm 400 400 400 420
Outside pipe-0EN ISO 1127 RA 12.0 17.2 21.3 26.9 33.7 38.0 42.4 48.3 60.3 76.1 88.9 114.3 168.3
Wall thickness pipe EN ISO 1127 a 1.0 1.6 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.6 3.2 6.0 7.1
Outside pipe -0 ASTM A312 RA 13.72 17.15 21.34 26.67 33.40 42.16 48.26 60.33 73.03 88.90 114.3 168.3
Wall thickness pipe ASTM A312 a S10 S40 S10 S10 S10 S10 S10 S10 S40 S10 S40 S40
Socket depth b 6 10 10 13 13 13 13 16 16 16 20 20
Handwheel-0 B 80 100 100 100 100 125 125 125 125 200 250 315 360
Wrench size across flats Si 10 10 10 10 10 13 13 13 13 13 13 13 19
Wrench size across flats s2 30 30 30 30 30 36 36 36 36 36 36 41 41
Weight ca. kg 1.4 1.65 1.7 2.1 2.4 3.3 4.7 4.7 7.2 12.7 17.0 24.5 54.0
Kvs – Value m^/h 1.6 3.8 4.3 6.7 11.5 14.0 20.6 22.6 37.1 71.1 104.0 170.0 350.0
Cv – Value gal /min 1.9 4.4 5.0 7.8 13.4 16.2 23.9 26.3 43.2 82.7 120.9 195.2 401.8
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