850C Lined with anti-corrosion regulating valve,Pneumatic lined control valve-UK GERO INDUSTRIAL INTERNATIONAL LTD.

Our 850C lined PTFE corrosion resistant control valve in contact with the medium part of the high pressure injection molding process, lined with PTFE corrosion resistant materials, corrosion resistance, anti-aging function. Such as hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid and other, but also the use of PTFE bellows seal, widely used in all process of acid, alkali and other strong corrosive medium and toxic Yi volatile gas and liquid process control.
850C lined PTFE corrosion resistant control valve, the valve body and the inner part of the whole lining of fluorine structure, effectively blocking the corrosion of the valve in the medium of corrosion of metal materials. The inner cavity of the metal valve body is processed by the tooth type processing. The lining material is fully engaged with the metal, and the service life and performance of the lining material are prolonged. Stem seal can be used F46 bellows seal and PTFE packing two combination seal, completely eliminate the possibility of leakage of the medium from the valve stem. The unbalanced type lining structure is especially used for the corrosive medium under the condition of low pressure and normal temperature.

Design features

Top guide structure
The inner cavity of the valve body and all inclusive of PTFE
Can add PTFE bellows seal
Double seal protection, no external leakage
Suitable for corrosive occasions

Technical parameter

Body form：S-type casting body
Spool form：Single seat plunger type
Nominal diameter：DN15~150 NPS 1/2"~ 6"
Nominal pressure：PN0.6～2.5MPa；CALSS 150 LB
Applicable temperature：-40～+150℃
Connection form：Flange
Flange distance：Meet IEC 60534
Gland form：Bolt pressing type
Sealing gasket：PTFE
Seal up：PTFE
Actuator：Pneumatic actuator, electric actuator

Structure and materials


1	Body	WCB	LCB	WC9	1	Body	CF8	CF8M	CF3M
2	Lining	F46 / F4			2	Lining	F46 / F4
3	Seat	304	304	304	3	Seat	304	316	316L
4	Shim	PTFE			4	Shim	PTFE
5	Screw nu	304	304	304	5	Screw nu	304	316	316L
6	Valve cover	WCB	LCB	WC9	6	Valve cover	CF8	CF8M	CF3M
7	Valve stem	304	304	304	7	Valve stem	304	316	316L
8	Packing	PTFE			8	Corrugated pipe	PTFE
9	Lock nut	304	304	304	9	Packing	PTFE
10	Pressing ring	WCB	LCB	WC9	10	Lock nut	304	316	316L
11	Plate	WCB	LCB	WC9	11	Pressing ring	CF8	CF8M	CF3M
					12	Plate	CF8	CF8M	CF3M

Specification parameter

DN（mm）（in）		20 3/4	25 1	32 1-1/4	40 1-1/2	50 2	65 2-1/2	80 3	100 4	125 5	150 6
(KV) Flow coefficient		5	10	16	25	38	63	80	120	220	300
DN (in)	Travel	Optional flow coefficient CV （★ Standard type ● Recommend）
20 3/4	16 mm	★
25 1	25 mm		★
32 1-1/4			●	★
40 1-1/2			●	●	★
50 2	40 mm				●	★
65 2-1/2						●	★
80 3						●	●	★
100 4	60 mm							●	★
125 5									●	★
150 6									●	●	★
Pneumatic actuator		HA/B-23				HA/B-34			HA/B-45
Pneumatic actuator		350 cm²				560 cm²			900 cm²
Mode of action	Spring range	Allowable differential pressure （Mpa）
Gas opening	20-100Kpa	1.16	0.7	0.44	0.28	0.18	0.17	0.11	0.07	0.07	0.05
	40-200Kpa	3.34	2.14	1.31	0.84	0.53	0.51	0.33	0.21	0.22	0.15
	80-240Kpa	6.4	4.99	3.05	1.95	1.25	1.18	0.78	0.5	0.51	0.36
Gas off	20-100Kpa	2.23	2.14	0.87	0.56	0.35	0.34	0.22	0.14	0.15	0.1
	40-200Kpa	6.4	6.4	5.86	3.64	2.3	2.21	1.43	0.91	0.95	0.66
	80-240Kpa	6.4	6.4	6.4	5.04	3.18	3.06	1.98	1.26	1.32	0.92
Electric actuator		Allowable differential pressure （Mpa）
Thrust（N）	800	2.38	1.52
	2000	4.77	3.05	1.86	1.19	0.76
	3000			2.79	1.79	1.14
	5000			4.66	2.98	1.91	1.13	0.6	0.47
	6500						1.35	0.8	0.57	0.39	0.26
	10000									0.61	0.42

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case analysis
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Provide higher implementation standards
As one of the pressure control valve pressure piping components shall be in strict accordance with relevant industry standards in design, production and testing, in strict accordance with relevant industry standards GEROYAL control valve products and design, production and testing according to a higher standard version for customers.

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