Type 01641

CRYOGENIC

Type 01641 - Globe Valve

Cryogenic-Globe and Globe/Check Valves, PN50 (DN150=PN40)
“Fire safe” type test approval acc. to EN ISO 10497

Stainless steel body and topwork, “live loaded” gland packing “cleaned and degreased for oxygen service“

Part No. 01641.X.001* (H = 270mm)
Part No. 01641.X.002* (H = 370mm)
Part No. 01641.X.501* (H = 270mm) Globe/Check Valve
Part No. 01641.X.502* (H = 370mm) Globe/Check Valve
* Butt weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312
Part No. 01641.X.0014 (H = 270mm)
Part No. 01641.X.0024 (H = 370mm)
Part No. 01641.X.5014 (H = 270mm) Globe/Check Valve
Part No. 01641.X.5024 (H = 370mm) Globe/Check Valve
Socket weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312

Available options - on request only:

- Welded stainless steel stubs acc. to ISO 1127 or ASTM A312 - length FF + 200mm
- Extension H up to 900mm
- 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)

Materials		DIN EN	ASTM
1	Body	1.4308	A 351 CF8
2	Valve seal	PTFE / Carbon filled (25%)
3	Disc	1.4301	A 276 Grade 304
4	Bonnet gasket	Graphite
5	Headpiece	1.4301 / 1.4308	A 276 Grade 304 / A 351 CF8
6	Bolts	1.4301/A2	A 194 B8
7	Elongation tube	1.4541	A 213 TP 321
8	Stem	1.4301	A 276 Grade 304
9	Gland packing	Graphite / PTFE / MICA
10	Gland nut	1.4305	A 276 Grade 303
11	Handwheel	1.4409	A 351 CF3M
12	Spring	1.4310	A 313 Grade 301
13	Bush	CW452K	B 159 UNS C51900

Type 01641 - Standard design	Technical data
Nominal size	DN	10	15	15	20	25	32	40	40	50	65	80	100	150
Dimension code	.X.	1012	1517	1521	2026	2533	3238	4042	4048	5060	657x	8088	0114	0168
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										370	420
Outside pipe-Ø ISO 1127	RA	12.0	17.2	21.3	26.9	33.7	-	42.4	48.3	60.3	76.1	88.9	114.3	168.3
Wall thickness pipe ISO 1127	a	1.0	1.6	2.0	2.0	2.0	-	2.0	2.0	2.0	2.9	3.2	6.0	7.11
Outside pipe-Ø 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	dimensions acc. to S10 or S40
Socket depth	b	6	10	10	13	13	-	13	13	16	16	16	20	20
Handwheel-Ø	B	100	100	100	100	100	-	125	125	125	200	250	315	360
Wrench size across flats	S₁	7	7	7	7	7	-	10	10	10	10	10	12	15
Wrench size across flats	S₂	30	30	30	30	30	-	36	36	36	36	36	41	41
Weight	ca. kg	1.4	1.65	1.7	2.1	2.4	-	4.7	4.7	7.2	12.7	17.0	24.5	54.0
Kvs-Value	m³/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	82.9	121.3	198.3	408.4

Dimensions in mm. Compliance of tightness requirements acc. to EN 1626 for DN150 up to 20 bar differential pressure. In the range of >20-40 bar, 350-700ml per second (1 bar, 20°C [68°F]) are reached.

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