DIN Flange Gate Valve

DIN Standard F4/F5/F7 Stainless Steel Flanged Gate Valve PN10/16/40/64

v RST Valve company is a industry valves manufacturer, including Thread & Flange Ball Valves, Gate Valves, Globe Valves, Check Valves, Y Strainers in stainless steel, carbon steel, cast steel, forged steel and alloy steel.

v Gate Valve mainly has Thread 200WOG Gate Valve, API600 Flanged ends Gate Valve, DIN F4/F7 Stainless Steel Flanged ends Gate Valve, Carbon Steel Bellow Seal Gate Valve, Forged Steel A105 Gate Valve, 800LB Thread ends Gate Valve, F11/F22/F51 1500LB Flanged ends Gate Valve, Butt Welded Gate Valve, Pressure Sealed Socket Welded Gate Valve, Flanged ends 2500LB High Pressure Gate Valve, 150LB~900LB WCB Flanged Gate Valve, Rising Stem Gate Valve, Non-Rising Stem Gate Valve, Gear Operated Gate Valve, Gate Valve with Pneumatic/Electric Actuator.

v A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can form a wedge shape or they can be parallel. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be used for regulating flow, unless they are specifically designed for that purpose. Because of their ability to cut through liquids, gate valves are often used in the petroleum industry. For extremely thick fluids, a specialty valve often known as a knife valve is used to cut through the liquid. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow. Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical gate valves are designed to be fully opened or closed. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low friction loss.

Specifications:

Product Name	Cast Steel DIN Standard Flanged ends Gate Valve
1. Material	SS304/316/304L/316L ( CF8/CF8M/CF3/CF3M), WCB, WCC, LCB,LCC,WC6,WC9, C5,C12, etc
2. Size	1/2’'~2'' ( DN15~DN50)
3. Thread standard	ISO9001 & CE, TS
4. Port	Full Port
5. Working Pressure	PN10~PN100
6. Face to face dimension	DIN3202 F4/F5/F7/F15 standard
7. Connection Ends	RF, RTJ, FF, Butt Welded.
8. Type	Rising Stem & Non-Rising Stem
9. Working Temp.	-29~425℃, or according to customer requirements for different industry.
10. Suitable Medium	Water, Natural Gas, Oil and some corrosive liquid
11. Operated	Handwheel, Gear Operated.
12. Inspection & Testing	According to EN12266
Shipment
Delivery Time	15~20 Days
Package	Standard Exporting Plywood Case
Shipping Port	Ningbo/Shanghai, China
Shipping Terms	Exw, FOB, CFR, CIF, etc.
Payment Terms	T/T, Western Union, PayPal, etc.
	30% prepayment, 70% balance paid before shipping or against copy of BL
Country of Origin	Wenzhou city, China
Production Capacity	6000 ton/year
MOQ	10 PCS/size

 

Features:

1. Drive unit is made to user’s request if not specified handwheel drive will be used.

2. Top-mounted stem nut can prevent stem disc from falling off when valve is at open position and handwheel is taken off.

3. Packing uses flexible graphite for dependable sealing performance.If requested by users,packing spacer ring and greasing mechanism can be available.

4. Upper seal design to ensure dependable packing and sealing when valve is fully opened.(Replacement of packing under pressure is not recommended)

5. Lift stem,with stem and disc connected by t-slot,and stem T head intergrally forged to ensure sufficient strength of joint.

 

Technical Specification:

 

1. Design and Manufacture: DIN3352

2. Inspection and Test: ISO 5208、EN12266

3. Flanged ends dimension: EN 1092-1、DIN2544 PN25、DIN2545 PN40、DIN2546 PN64

4. Butt-welded ends dimension: EN12627

5. Face to face and end to end: DIN3202、EN558-1、ISO5752

6. Pressure-temperature ratings: DIN2401

Technical Descriptions:

 

Construction

The construction of steel gate valves of MSA corresponds to API 600 and BS 1414. Gate valves are yoke, flanged or welded with unnarrow flow rate and with flexible or fixed wedge. Bodies, covers and yokes are cast. Wedges could be forged or cast. All wedges are guided. Sealing seats are bolted or welded into the body. Overlays in seats depends on Trim. Valves have rising non-rotative spindle and bolted joint of body-cover. Standard spindle threads are ACME2G-LH.

Operation with a handwheel. On the basis of mutual agreement, the gate valves can be operated by angle transmission, electric actuator or pneumatic actuator. For easier control the gate valve with larger diameters are equipped with bearings. Sealing material is pressed rings from expanded graphite and graphited plaited rings. The properties of gate valve packing meet the requirements of the directive Clean Air Act, Amendment from 1990. The gate valves can be also equipped with: drainage, venting, relief from interspace and bypasses, on the special customer´s request.

Design Dimension

The dimensions of standard design are stated in the table below.

Material design

 The gate valves are supplied in different material variants.

Assembly

The yoke gate valve can be assembled in any position into the pipeline.

Testing

The gate valves are subjected to pressure tests according to the standard API 598: on strength and tightness, tightness of backseat, closure tightness by low pressure, closure tightness by high pressure (on request).

Competitive Advantage:

 

² We are manufacturer, not a trading company, we can control every production process to guarantee the quality of our products.

² 18 Months warranty after delivery.

² Offer free samples for testing before orders.

² We have convenient shipping sea port, and standard exporting carton boxes & plywood cases.

² 100% leakage testing.

² 100% inspection & testing for every production process before delivery.

² Light torque for easy operation & long service life.

Part Name	GP240 GH	Stainless Steel	Stainless Steel
Body	1.0619	1.4308	1.4408
Bonnet	1.0619	1.4308	1.4408
Wedge	<DN200=13Cr	1.4308	1.4408
	≥DN200=1.0619+ER410
Stem	13Cr	18-10 CrNi	17-12-2 CrNiMo
Stem Nut	Austenitic cast iron	Austenitic cast iron	Austenitic cast iron
Hand Wheel	cast steel	cast steel	cast steel
Gland Flange	1.0619	1.4308	1.4408
Spacer	13Cr	CrNi	CrNi
Gland	13Cr	CrNi	CrNi
Gland Packing	Graphite	Graphite	Graphite
Gasket	Spiral Wound Graphite	Spiral Wound Graphite	Spiral Wound Graphite
Stud	25CrMo4	A2-70	A2-70
Nut	25CrMo4	A2	A2
Eye Bolt	25CrMo4	A2-70	A2-70
Nut	25CrMo4	A2	A2
Pin	C25	CrNi	CrNi
Split Pin	CrNi	CrNi	CrNi
Handwheel Nut	C25	CrNi	CrNi
Screw	C25	CrNi	CrNi
Grease Fitting	C25	CrNi	CrNi
Name Plate	stainless steel	stainless steel	stainless steel
Rivet	stainless steel	stainless steel	stainless steel

 

Note: All the data should be confirmed with the approved drawings of manufacturer.

 

RST VALVE is looking forward to strengthening cooperation with various sectors of society to create brilliancy together.

 

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