DANA PIROOZ KISH

Type 01252 - Bellow Sealed Globe Valve

Cryogenic-Bellow Sealed Globe Valve, PN50

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

Part No. 01252.X.002*
* Butt weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312
Part No. 01252.X.0024
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) Leak rate: 10^-6 mbar ltr / sec outside 10^-4 mbar ltr / sec seat

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	PTFE
5	Headpiece	1.4301	A 276 Grade 304
6	Bellow stem	1.4571	A 276 Grade 316Ti
7	Bolts	1.4301/A2	A 194 B8
8	Bellow	1.4571	A 276 Grade 316Ti
9	Elongation tube	1.4541	A 213 TP 321
10	Upper part	1.4301	A 276 Grade 304
11	Bush	CW452K	B 159 UNS C51900
12	Stem	1.4301	A 276 Grade 304
13	Gland packing	Graphite / PTFE
14	Gland nut	1.4305	A 276 Grade 303
15	Handwheel	Aluminium alloy

Standard marking acc. to Pressure Equipment
Directive 97/23/EG (PED).

Type 01252 - Standard design	Technical data
Nominal size	DN	10	15	15	20	25	32	40	40	50
Dimension code	.X.	1012	1517	1521	2026	2533	3238	4042	4048	5060
Face-to-face dimension	FF	70	85	85	100	115	115	130	130	155
Height	H	380	380	380	380	380	380	380	380	380
Outside pipe-Ø ISO 1127	RA	12.0	17.2	21.3	26.9	33.7	38.0	42.4	48.3	60.3
Wall thickness pipe ISO 1127	a	1.0	1.6	2.0	2.0	2.0	2.0	2.0	2.0	2.0
Outside pipe-Ø ASTM A312	RA	13.72	17.15	21.34	26.67	33.40	-	42.16	48.26	60.33
Wall thickness pipe ASTM A312	a	dimensions acc. to S10 or S40
Socket depth	b	6	10	10	13	13	-	13	13	16
Handwheel-Ø	B	150	150	150	150	150	150	150	150	150
Wrench size across flats	S₁	10	10	10	10	10	13	13	13	13
Wrench size across flats	S₂	30	30	30	30	30	36	36	36	36
Weight	ca. kg	1.6	1.85	1.9	2.3	2.7	3.6	5.1	5.1	7.7
Kvs-Value	m³/h	1.6	2.8	4.3	6.7	11.5	14.0	20.6	22.6	37.1
Cv-Value	gal/min	1.9	3.3	5.0	7.8	13.4	16.2	26.3	26.3	43.2