Upper and lower spreader valves

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Upper and lower spreader valves

Model: HG5-81-1/2
Nominal diameter: DN50~150mm
Nominal pressure: PN1.0~6.4MPa
Applicable temperature: -29~650°C
Main material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF8M, CF3, CF3M
Design and manufacture: GB12234-89
structure length: GB12221-89
flange size: JB/T79-94
inspection and test: GB13927

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Product details

Manual discharge valve performance and use
The valve is easy to operate, free to open, flexible and reliable; the valve assembly is easy to repair and maintain, the sealing structure is reasonable, and the sealing ring is convenient and practical.

Manual discharge valve structure and principle:
The valve is mainly composed of 1. valve body, 2. valve flap, 3. sealing ring, 4. valve stem, 5. bracket, 6. valve gland, 7. hand wheel, 8. method Lan, 9. nut, 10. Set screw and other parts, the handwheel rotates, the valve closes, the valve stem moves upwards, the valve is up-and-down, the handwheel rotates, the valve closes, the valve stem rotates downward, this valve Down valve

Manual discharge valve main parts material

Part Name	ZG1Cr18Ni9Ti series	ZG00Cr18Ni10 series	ZG1Cr18Ni12MO 2 Ti series	ZG00Cr17Ni14MO 2 series	WCB series
Body/bonnet	ZG1Cr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12MO 2 Ti	ZG00Cr17Ni14MO 2	WCB
Valve stem	ZG1Cr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12MO 2 Ti	ZG00Cr17Ni14MO 2	WCB
Valve flap	ZG1Cr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12MO 2 Ti	ZG00Cr17Ni14MO 2	WCB
Gasket	304+PTFE	304L+PTFE	316+PTFE	316L+PTFE	Graphite +304
Stud	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	35CrMoA
Nut	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	45

Upright discharge valve connection size

DN	Upper flange		Upper flange	Lower flange	Seal seat
DN	D1	D2	D3	D4	D5	D6
25	115	80	115	85	-	-
32	135	100	135	100	-	-
40	145	110	145	110	80	60
50	165	125	160	125	85	70
65	180	145	180	145	130	85
80	195	160	195	160	135	95
100	215	180	215	180	160	130
125	245	210	245	210	160	140
150	280	240	280	240	185	165
200	335	295	335	295	/	/

Lower expansion type discharge valve connection size

DN	Upper flange		Upper flange	Lower flange	Seal seat
DN	D1	D2	D3	D4	D5	D6
25	115	85	135	100	70	40
32	135	100	145	110	75	55
40	145	110	160	125	100	65
50	165	125	180	145	85	70
65	180	145	195	160	135	90
80	195	160	215	180	155	130
100	215	180	245	210	195	135
125	245	210	280	245	180	145
150	280	240	335	295	210	185
200	335	295	405	355	/	/

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