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Inverted Pressure Balance Lubricated Plug Valve

Main Structural Features
The inverted pressure balance lubricated plug valve comes with bolt cover, pressure-balanced structure and gentle on/off operation. An oil groove is set between the valve body and seal surface, and thus the seal grease may be infused to increase the seal capability.

Standards Compliance
Design and manufacture: API 599, API 6D
Face to face (end to end): ANSI B 16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D

Main Parts Materials

Part name	Material
Part name	A216 WCB	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Body/Nut	A193 B7/A194 2H	A193 B8/A194 8	A193 B8M	A194 8M
Cover	A216 WCB	A351 CF8	A351 CF8M
Gasket	Flexible graphite + stainless steel/PTFE
Plug	A182 F304	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Body	A216 WCB	A351 CF8	A341 CF8M	A182 F304L	A351 CF3M
stem	A182 F410	A182 F304	A182 F316	A182 F304L	A351 CF3M
O ring	NBR/FEP/SBR
Packing	Flexible graphite/PTFE
Gland	A216 WCB	A351 CF8	A351 CF8M
Oil nozzle	Material see body
Check valve	Material see body
Wrench	ASTM A47-32510 A216 WCB

Dimensions and Weight (mm and Kg)

Dimensions
Class 150Lb
Size	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8	10	12	14
L-RF	mm	108	117	127	140	165	178	190	203	229	254	267	292	330	356	381
H	mm	180	180	185	200	210	215	250	270	300	340	365	400	450	510	590
W	mm	400	400	500	500	600	600	820	820	300	300	320	320	350	380	380
Weight	Kg	10	12	14	17	19	21	29	33	48	75	98	125	171	230	370

Dimensions
Class 300Lb
Size	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8	10	12	14
L-RF, BW	mm	140	152	165	178	190	216	241	283	305	381	403	419	457	502	762
H	mm	180	180	185	200	210	215	250	270	300	340	365	400	450	510	590
W	mm	400	400	500	500	600	600	820	820	300	300	320	320	350	380	380
Weight	Kg	12	14	16	19	21	24	31	36	61	86	130	190	225	380	560

Dimensions
Class 600Lb
Size	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8	10	12	14
L-RF, BW	mm	165	190	216	229	241	292	330	356	432	508	559	660	787	838	889
H	mm	180	180	185	200	210	215	250	270	300	340	365	400	450	510	590
W	mm	400	400	500	500	600	600	820	820	300	300	320	320	350	380	380
Weight	Kg	14	16	18	20	24	29	35	47	91	129	210	320	660	920	1250

Dimensions
Class 900Lb
Size	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8	10	12	14
L-RF, BW	mm	229	229	254	279	305	368	419	381	457	559	610	737	838	965	1029
H	mm	180	180	185	200	210	215	250	270	300	340	365	400	450	510	590
W	mm	400	400	500	500	600	600	820	820	300	300	320	320	350	380	380
Weight	Kg	17	19	21	24	30	37	44	65	110	160	255	380	810	1050	1460

4" or above with worm gear

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As a Chinese inverted pressure balance lubricated plug valve manufacturer, we are able to provide an extensive line of products, including knife gate valve, butterfly valve, ball valve, seamless steel pipe, diaphragm valve, etc. Through the constant work of our dedicated staff, our products have been DNV 9001, API 6D, CE, API 607, and TS certified. High quality and economically priced, our products are sought after by customers from Europe, America, Asia, among others.
If you are in search of any valve, please contact us via the phone number or email provided on our website. We at Hangda are happy to assist you.