SS316L QCR Female Adaptor KF Face Seal Stainless Steel Vacuum PT/NPT Fittings High Purify Flanges for Semiconductor

Applications

KF flanges are a sexless design made from 304 stainless, they can be used in a wide range of applications including:

• Roughing and foreline plumbing
• Small pipe systems
• Systems need frequent cleaning or modification
• Research and teaching laboratories

Material and Size

•  Flanges,Blanks,Fittings:Stainless Steel 304,316L or Aluminum
•  Clamps:Aluminum or Stainless Steel 304
• O-Ring:Viton/NBR/EPDM
• Size:KF10-KF50(See Figure 1

Vacuum range

Elastomer seal: >= 1 x 10-8 Torr

Temperature range

Viton: -50°C to 200°C

Installation

The ISO-KF components are assembled by inserting a centering ring between the two flange faces, then securing the assembly with a flange encompassing clamp (see Figure 2).

The  ISO-KF  components  are  assembled  by  inserting  a  centering  ring  between  the  two  flange  faces,  then  securing  the assembly with a flange encompassing clamp (see Figure 2)

VCR Female Adaptor

* Material: SS304

	PT Thread	PT Thread	Size	A/mm	B/mm	C/mm
	FDF811K160254	FDF812K160254	KF16	37	17	1/4″
	FDF811K160504	FDF812K160505	KF16	41	17	1/2″
	FDF811K250254	FDF812K250255	KF25	37	26	1/4″
	FDF811K250504	FDF812K250505	KF25	41	26	1/2″
	FDF811K400254	FDF812K400255	KF40	37	41	1/4″
	FDF811K400504	FDF812K400505	KF40	41	41	1/2″
	FDF811K500254	FDF812K500255	KF50	37	52	1/4″
	FDF811K500504	FDF812K500505	KF50	41	52	1/2″