V-FLANGE REGULATING BALL VALVE

group name: Ball Valve

Min Order: 1 piece

brand name: KRV

model: DN50-DN500

Nearest port for product export: Tianjin, Shanghai, Qingdao, Dalian

Delivery clauses under the trade mode: FOB, CFR, CIF, EXW

Acceptable payment methods: T/T, L/C, Credit Card, Westem Union, Cash

update time: Wed, 12 May 2021 07:37:48 GMT

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Packging & Delivery

Min Order1 piece

Briefing

V-FLANGE REGULATING BALL VALVE

Detailed

Characteristics of V-type flange regulating ball valve

1. The V-notch ball core and the metal valve seat have shear effect, which is especially suitable for media containing fibers, small solid particles, slurry and so on;

2. The V-type cut-off ball valve driven by worm gear also has the ability of adjustment and reliable positioning, the flow characteristic is approximate percentage, and the adjustable range is wide;

3. The movable valve seat structure loaded by leaf spring can prevent the valve seat from sticking or separating from the ball core. The seal is reliable and the service life is long.

Executive standard for V-type flange regulating ball valve

design basis	Connecting flange	Structural length	Test and inspection
GB/T12237、API 608	HG/T20592、EN1092	GB/T12221	GB/T13927、ISO 5208、API598

Material of main parts

Serial number	Material standardPart name	Part grade / material grade
		carbon steel		stainless steel
		GB	API	GB	API
1	Double head stud	35CrMoA	A193-B7	1Cr17Ni2	A193-B8M
2	Nut	45	A194-2H	0Cr18Ni	A194-8M
3	Bottom cover	25	A105	1Cr18Ni9Ti1Cr18Ni12Mo2Ti	F304/F316/F304L/F316L
4	Washer	Keywords fluororubber; PTFE; graphite in metal
5	Thrust bearing	Metal clip PTFE
6	Lower stem bearing	Metal clip PTFE
7	Lower stem	20Cr13	A276-410	1Cr18Ni9Ti1Cr18Ni12Mo2Ti	F304/F316/F304L/F316L
8	sphere	ZG1Cr18Ni9Tinitriding	CF8nitriding	1Cr18Ni9Ti1Cr18Ni12Mo2Tinitriding	F304/F316/F304L/F316Lnitriding
9	valve body	WCB	A216-WCB	ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti	CF8/CF8M/CF3/CF3M
10	Seat O-ring	Fluororubber	Fluororubber	Fluororubber	Fluororubber
11	valve seat	20Cr13	A276-410	1Cr18Ni9Ti1Cr18Ni12Mo2Tinitriding	F304/F316/F304L/F316Lnitriding
12	Sphere key	40Cr	40Cr	1Cr17Ni2	1Cr17Ni2
13	Upper stem bearing	PTFE;PPL	PTFE;PPL	PTFE;PPL	PTFE;PPL
14	Stem packing	graphite
15	Packing pressure ring	20Cr13	A276-410	1Cr18Ni9Ti1Cr18Ni12Mo2Ti	F304/F316/F304L/F316L
16	Packing gland	WCB	A216-WCB	ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti	CF8/CF8M/CF3/CF3M
17	screw	35CrMoA	A193-B7	1Cr17Ni2	A193-B8M
18	Bracket	WCB	WCB	WCB	WCB
19	Upper stem	20Cr13	A276-410	1Cr18Ni9Ti1Cr18Ni12Mo2Ti	F304/F316/F304L/F316L
20	key	40Cr	40Cr	1Cr17Ni2	1Cr17Ni2

Drawing of v-flange regulating ball valve

V-flange regulating ball valve PN1.6MPa main connecting dimensions

DN(mm)		50	65	80	100	125	150	200	250	300	400	500
L		203	222	241	305	356	394	457	533	610	762	914
H		102	114	127	152	184	219	273	360	395	470	580
Manual	H1	107	125	152	178	300	330	398	495	580	670	840
	E	-	-	-	-	-	-	116	116	171	257	257
	F	-	-	-	-	-	-	350	350	400	400	400
	W	230	40	400	650	1050	1050	600	600	800	800	800
	WT(kg)	12	16	22	35	58	74	205	322	460	864	1600
Electric	H2	-	-	-	-	-	554	600	652	760	830	940
Electric	L1	-	-	-	-	-	235	235	235	259	400	410
Pneumatics	H3	274	379	389	479	552	666	736	926	1059	1393	1538
Pneumatics	L2	270	405	405	578	578	776	776	776	1060	1360	1360

Main connection dimensions of v-flange regulating ball valve PN2.5MPa

DN(mm)		50	65	80	100	125	150	200	250	300	400	500
L		230	241	310	350	400	403	419	457	502	838	991
H		102	114	127	152	184	219	273	360	395	470	580
Manual	H1	107	125	152	178	300	330	398	495	580	670	840
	E	-	-	-	-	-	-	116	116	171	257	257
	F	-	-	-	-	-	-	350	350	420	400	400
	W	230	40	400	650	1050	1050	600	600	800	800	800
	WT(kg)	15	24	30	55	87	118	255	370	533	1030	2100
Electric	H2	-	-	-	-	-	235	235	400	400	410	420
Electric	L1	-	-	-	-	-	74	350	350	420	400	400
Pneumatics	H3	340	379	452	479	646	666	814	1002	1059	1205	1295
Pneumatics	L2	405	405	574	574	756	756	1060	1060	1060	1360	2840