Custom Cast iron bronze metal seat hard seal gate valve Supplier, Manufacturer

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Custom Cast iron bronze metal seat hard seal gate valve Supplier, Manufacturer

Typeï¼šMetal to metal seated

Seriesï¼šZ45T-16/25Q

Size: DN50-DN1000/2â€-40â€

Pressure rating: PN16/PN25/PN64/150LB/300LB/600LB

Design standard: BS/API/DIN

Service: OEM&ODM

The brass sealed GGG50 gate valve with a ductile iron body and brass alloy sealing surface, the ductile iron brass-sealed gate valve is a type of metal hard-sealed gate valve. It integrates the high strength of ductile iron with the excellent wear and corrosion resistance of brass, making it ideal for on-off control of water, steam, oil and other media.

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Product Description

Valve Type	Metal seat gate valve	Structure	Non-rising type
Standard	EN/API/DIN/GOST	Workmanship	Investment casting
Sealing direction	Bidirectional	Sealing grade	Zero leakage
Temperature	-30°C < T < 425°C	Operation	Handwheel

Characteristics

This gate valve features a ductile iron body and brass / copper alloy sealing surface, forming a heavy-duty metal hard-sealed structure. It perfectly combines the high strength and toughness of ductile iron with the outstanding wear resistance and corrosion resistance of brass.

Advantages

The hard seal gate valve has high structural strength, good resistance to pressure, water hammer and shock, ensuring stable performance under tough working conditions.

The brass seat gate valve with brass hard sealing delivers excellent sealing performance, resistant to scratches and aging, with long service life and low maintenance.

The gate valve with smooth operation with low torque, stable opening and closing without seizing, providing efficient flow control with low flow resistance.

Packing

Standard export wooden case packaging

Application Scenarios

The bronze sealed ductile iron gate valves are ideal for municipal water supply and drainage, HVAC, fire protection, power, chemical engineering and water conservancy systems, providing reliable on-off control for water, oil, steam and other media.

Material

Valve body/cover	Gate board/seat	Stem	Stem nut	Padding	Handwheel
Ductile iron	Brass/Bronze	20Cr13	Aluminum bronze	Graphite asbestos packing	Malleable iron / Ductile Iron

Dimensions

PN (MPa)	DN (mm)	L	D	D1	D2	b	f	N-Φd	H	D0
1.6	50	250	160	125	100	16	3	4-Φ18	358	240
	100	300	215	180	155	20	3	8-Φ18	502	320
	150	350	280	240	210	24	3	8-Φ23	676	360
	200	400	335	295	265	26	3	12-Φ23	820	400

Frequently Asked Questions

Q1: What are the main benefits of a metal-seated gate valve?

A: Metal-seated gate valves offer superior durability and resistance to high temperatures and abrasive media compared to soft-seated valves. They are ideal for heavy-duty industrial applications.

Q2: Does this valve support bidirectional sealing?

A: Yes, this gate valve is designed for bidirectional sealing with a zero-leakage grade, ensuring efficient flow control in either direction.

Q3: What materials are used for the sealing surface?

A: The sealing surface is made of high-quality brass or copper alloy, which provides excellent wear and corrosion resistance.

Q4: Can this valve be used in fire protection systems?

A: Absolutely. It is suitable for fire protection, municipal water systems, HVAC, and chemical engineering.

Q5: What is the temperature range for this metal seat gate valve?

A: It can operate effectively in temperatures ranging from -30°C to 425°C.

Q6: How is the product protected during shipping?

A: All valves are packed in standard export wooden cases to ensure they arrive at their destination without damage.