Wafer PN25, Double Eccentric Metal Seat Butterfly Valve

Wafer PN25 of steel

Application: Liquids, gases and vapors at high temperatures

General Data

Type:	VF930
Material:	ASTM A216 Gr. WCB
Pressure class:	PN25
Max. working pressure	25 bar ≤ DN350
	12.5 bar ≥ DN400
	25 bar ≥ DN400 w/ stem of A264 630 / UNS32205
Disc:	Stainless steel AISI 304, hard-chromed
Seat:	Metal A240Gr.316 Nitrided
Stem:	AISI 304 (Option: A564 630, UNS32205 etc.)
Gland packing:	Graphite
Operation:	Lever or manual gearbox
Face to face:	ISO 5752
Connection:	Mounting between flanges DIN PN25 2634
Leak rate:	ISO 5200 Rate A
	Class IV ANSI FCI 70-2
Temperature:	-29°C to +220°C
	≥+220°C if A564 630 / UNS32205 stem
	≥+500°C Inconel seat and extra stem extension
Options:	Pneumatic or electric actuator
	Flanged connections
	Stainless steel versions, other stem materials, soft seat
	Inconel 718 seat, SS304 etc.
	Versions for temperatures down to -100°C

Type: VF930

	DIMENSIONS (mm)					TOP FLANGE	Kv	WEIGHT
Item No.	DN	L	H1	H2	Stem	ISO 5211	m³/h	kg
-	65	46	125	60	11 x 11	F05/07	223	4.5
-	80	47	140	70	14 x 14	F07/10	337	7
-	100	53	157	70	14 x 14	F07/10	527	9
-	125	57	170	70	17 x 17	F07/10	824	12
-	150	56	185	70	17 x 17	F07/10	1186	13.5
-	200	62	220	80	19 x 19	F10/12	1505	22
-	250	68	260	80	22 x 22	F10/12	2294	32
-	300	78	290	100	27 x 27	F12/14	3755	48
-	350	78/92	326	100	27 x 27	F12/14	5129	66
-	400	102	370	120	36 x 36	F14/16	6675	107
-	450	114	395	120	36 x 36	F14/16	8044	130
-	500	127	430	120	36 x 36	F14/16	10169	163
-	600	154	490	150	46 x 46	F16	17081	278
-	600	154	490	150	46 x 46	F25	17081	278