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1/4 Inch AFK Stainless Steel Non-rotating Stem Manual Needle Valves for Gas NPT Solenoid Valve

The needle valve is a valve that can be precisely adjusted and has a wide range of uses, such as the cutting distance for flame cutting. The knob for adjusting the flame temperature is the needle valve. The instrument needle valve is an important part of the instrument measurement pipeline system, mainly including the stop valve and the ball valve, and its function is to open or cut off the pipeline passage.
Availability:
Quantity:
  • 1/4 Inch NPT
  • DEGONG
Product Description

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The highest working pressure:

NG series-stainless steel, brass, alloy 400: 3000 psi (207bar)

NGH series-stainless steel: 6000 psi (342 bar)


Operating temperature:

PTFE: -65℉--450℉(-54℃-- 232℃)

PEEK: -65℉--500℉(-54℃--260℃)



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1、A dust-proof cap is supplied on the top of the stuffing box gland which can protect the stem thread from the outside impurities.
2、The stuffing filling is under the thread to effectively protect the lubricating grease from being brushed away.
3、The core and the stem is of lapped joint with the functions of up sealing.
4、Vertical hard sealing is used between the core and the body, also between the seat and the body.
5、Non-rotational ball-shaped stem head and adjustable stem head can be supplied.
6、Operating pressure can be up to 6000 psi (413bar).
7、Operating temperature: -53 to 232℃(-65 to 450 F)for PTFE sealing. -53 to 649℃(-65 to 1200 F )for graphite sealing.

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feature:

The one-piece forged valve body can be easily adjusted externally through packing nuts. The live-load packing system can choose handles of different colors. The compact design can choose panel mounting.

Test the sealing performance of each valve with nitrogen/air under the maximum working pressure.


DEGONG products are sold all over the world. If you are interested in our NPT solenoid valves, please contact us!



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