12 inch Gate Valve

Description

Gate valve 12 inch is a common valve size in pipelines.

What is 12 Inch Gate Valve?

The valve body of ZECO 12 inch gate valve is straight through the structure, which is similar to the straight pipe in the fully open state, to ensure the minimum flow resistance and swirling flow, and reduce the cost on the user’s pipeline. There are two ways to connect the valve body and bonnet, one is the bolt connection of valve body bonnet, the other is the pressure self-sealing structure, the interior of the valve body of both kinds of structure is the same, there is a guide rail to allow the gate fixed movement, not caused by deviation from the impact of sealing problems. Bonnet and bracket are integral and split, depending on the size of the gate valve, usually 10 “or less is one piece only bonnet & yoke and 10” or more is bonnet yoke split.

Features of 12 Inch Gate Valve:

• ZECO technical engineers have fully considered the difficulty of after-sales service, so they developed the structure that can be maintained online, such as renewable valve seat, online replaceable packing, online replaceable hand wheel, etc., so as to facilitate the maintenance of after-sales personnel;
• The wedge of ZECO 12 inch gate valve is ground to a mirror surface before assembly to ensure that it fits tightly with the seat ring and does not get stuck;
• The valve stem sealing of ZECO 12 inch gate valve is realized by the collaboration of flexible and woven graphite, ensuring a more reliable tightness;
• ZECO 12 inch gate valve has a good sealing performance at high temperature, and a wedge valve is not easy to jam after heating. Suitable for steam, high-temperature oil, oil, gas, and other media, as well as frequent switching components.Not suitable for easily coking media.

Applications of 12 inch Gate Valve

12 inch Gate valves can be found anywhere an economical shut off is required. Gate valves are ideal for any application that involves slurries as the gate can cut right through. Gate valves are also common in applications using liquids like heavy oils, light grease, varnish and other non-flammable liquids.

Dimensions & Weight of 12″ Gate Valve

Pressure Rating	Bore	Face to Face Dimension(in mm)			Weight
	(in mm)	RF	BW	RTJ	kg
CLASS 150	300	356	502	368	290
CLASS 300	300	502	502	518	486
CLASS 600	298	838	838	841	1068
CLASS 900	282	965	965	968	1542
CLASS 1500	263	1130	1130	1146	3816
CLASS 2500	218	1422	1422	1445	6500

Material of 12 Inch Gate Valve:

No	Part	Material
1	Body	ASTM A217 WC9
2	Seat Ring	ASTM A182 F22 + STL
3	Wedge	ASTM A217 WC9 + STL
4	Stem	ASTM A276 420
5	Bonnet Gasket	Graphite + SS316
6	Bonnet Bolt	ASTM A193 B16
7	Bonnet Nut	ASTM A194 4
8	Bonnet	ASTM A217 WC9
9	Backseat	ASTM A182 F6a
10	Stem Packing	Reinforced Graphite
11	Handwheel	KTH330-08

12 inch Gate Valve Supplier

As an API 6D and API 600 certified valve company, ZECO Valve specializes in gate valves, which are available in sizes ranging from 1″ to 88″ in addition to 12 inch gate valve.