Manual worm gear blind valve

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Manual worm gear blind valve

Model: F343CX
Nominal diameter: DN300 ~ 2000mm
Nominal pressure: PN0.05 ~ 0.25MPa
Suitable temperature: -20 ℃ ~ 300 ℃
Suitable temperature: 200 ℃ (silicone rubber) 300 ℃ (Viton)
Design criteria: API 600, API6D, ASME B16.34 , GB / T 12234
Structure length: ASME B16.10, API6D, GB / T 12221
Connector Standard: ASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, GB / T 13927, JB / T 9092
Pressure - Temperature class: ASME B16.34 , GB / T 12224

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产品详细

First, the structural characteristics

The manual worm gear blind valve is mainly composed of the left valve body, the right valve body, the screw rod pair, the flap, the seal ring, the lever, the worm gear and other components. The rigid base body and the support column form a rigid structure body. Rubber ring embedded in the flap, with high temperature, good sealing performance, easy replacement, long service life and so on.

Second, the main performance parameters

Nominal pressure MPa	0.25	0.15	0.10	0.05
Seal test pressure MPa	0.275	0.165	0.11	0.055
Strength test pressure MPa	0.40	0.225	0.15	0.075
Drive source	Compressed air 0.4-0.6MPa; Hydraulic pressure 6.3MPa; 3-phase 380V50HZ
Applicable temperature ℃	Nitrile rubber		Silicone Rubber	fluororubber
Applicable temperature ℃	-20-100		-20-200	-20-300
Suitable media	Gas and other toxic, harmful, flammable gas
Opening and closing time S	≤60
The main components of the material	Valve body, the gate for the carbon steel; screw for the alloy steel; nut manganese copper alloy, ductile iron; expansion device for stainless steel

Third, the main connection size:

DN	D	D1	b	n-φd	L
300	440	395	22	12-φ22	500
350	490	445	22	12-φ22	500
400	540	495	22	16-φ22	600
450	595	550	24	16-φ22	600
500	645	600	24	16-φ22	600
600	755	705	24	20-φ26	600
700	860	810	26	24-φ26	800
800	975	920	26	24-φ30	800
900	1075	1020	28	24-φ30	800
1000	1175	1120	30	28-φ30	800
1100	1275	1220	30	28-φ30	800
1200	1375	1320	30	32-φ30	800
1300	1475	1420	32	32-φ30	800
1400	1575	1520	32	36-φ30	850
1500	1675	1620	32	36-φ30	850
1600	1790	1730	32	40-φ30	850
1800	1990	1930	32	44-φ30	1100
2000	2190	2130	32	46-φ30	1100

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