KF/NW Bellows Vacuum Fitting Flexible Stainless Steel KF16-KF100 Corrugated Hose Forged Bellows SS304/SS316L Spiral Tube

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)

Standard specifications

* Material: Hose:SUS304,SUS316L 

* NW flange:SUS304,SUS316L 

* Working Pressure: Vacuum～atmospheric pressure 

* Vacuum Range: 1x10-9 Torr

* Hose Thickness: 0.15mm or 0.2mm for KF16-KF50 
                             0.2mm for KF63-KF100 
                             0.25mm for KF125-KF160 
                             0.3mm for KF200

KF/NW Flexible Bellows

* Material: Hose:SUS304,SUS316L 

	Model for 304	Size	ID/mm	OD/mm	D/mm	l/mm	L/mm
	FVK011K16L1004	KF16	20	31	30	12.7	100
	FVK011K25L1004	KF25	25.2	36.5	40	12.7	100
	FVK011K40L1004	KF40	38.2	56	55	12.7	100
	FVK011K50L1004	KF50	50.2	66.5	75	12.7	100
	FVK011K63L1004	KF63	65	86	87	25	100
	FVK011K80L1004	KF80	80	100	114	25	100
	FVK011K100L1004	KF100	100	125	134	25	100

*Length L can be customized