Vacuum Negative-Pressure Safety Valve (TFA72W-10R)

• Media: Gas,Water
• Temperature: High Temperature
• Connection: Flange
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: TFA72W-10R
• Pressure: Adjustable
• Closed: Semi-Closed
• Structure: Spring
• Material: Zg1cr18ni9ti
• Type: Spring Type
• Material.: Casting
• Port Size: DN15~250mm
• Power: Pneumatic
• Medium: Water, Oil, Gas, etc.
• Transport Package: Wooden Case
• Specification: CE, ROHS, SGS, GMP
• Trademark: Tianjin U-ideal Instrument
• Origin: Tianjin, China
• HS Code: 8481804090
• Production Capacity: 50000PCS/Year
• Package Size: 40.00cm * 40.00cm * 50.00cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

Vacuum Negative-Pressure Safety Valve (TFA72W-10R) Tive pressure system with temperature 200. When the netative pressure in the container exceeds the allowable value, the valve will open automatically and absorbs air When the netative pressure in the container reaches the allowable value, the valve will close automatically so as to protect the equipment and the system. It is to be installed in normal non-negative pressure systems. When the discharge valve of the container and system has not opened, which produces the negative pressure, this valve will open TFA72W is applicable in nega-automatically.

NO.	Name of part	TFA72W-P Materials	TFA72W-R Materials
1	Body	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
2	Seat	1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
3	Adjusting ring	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Bonnet	ZG1Cr18Ni9Ti	1Cr18Ni9Ti
5	Stem	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Spring	50CrVA	50CrVA    Coated

 
 
 

Working temperature	200
Suitable medium	TFA72W-10P    Nitric acid etc. medium
	TFA72W-10R    Acetic acid etc. medium

 
 

Explanation of materials for main parts
Nominal diameter DN(mm)	Dimensions
	D	D 1	D 2	Z- d	b	f 1	H
15	95	65	45	4-14	14	2	110
20	105	75	55	4-14	16	2	130
25	115	85	65	4-14	16	2	150
32	140	100	78	4-18	18	2	180
40	150	110	85	4-18	18	3	200
50	165	125	100	4-18	20	3	221
80	200	160	135	4-18	22	3	245
100	220	180	155	8-18	22	3	253
125	250	210	185	8-18	24	3	280
150	285	240	210	8-23	24	3	329
200	340	295	265	8-23	26	3	377
250	395	350	320	12-23	28	3	440

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