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汉众斯管切割环配件

Hydroscand's cutting ring fittings are used for tubing, mainly in hydraulic and pneumatic applications. Hydroscand can also offer a stainless steel cutting ring fitting designed for aggressive media and surroundings. Working pressure/PN up to 63 MPa/630 Bar, for male pipes of 4–42 mm diameter. Pressure ratings according to ISO 8434-1.

Cutting ring fittings are characterised by a very rigid tube assembling, resistance to vibrations and pressure impulses. The fittings can be dismantled/reassembled more than once.

When assembling the cutting ring fitting, the ring's two edges are pressed into the pipe, which gives a mechanical bearing. The first edge has already started the penetration before the second edge starts cutting into the pipe. After the assembling, part three of the cutting ring is pushed in between the cone and the pipe, to make sure no vibrations are transported to the cutting edges. The fourth part secures radial movement. The design of the ring profile gives a very strong, axial and radial bearing. The tension is carried by the whole cutting ring length.


Materials
Hydroscand's cutting ring fittings are manufactured of automatic steel or of forged materials. The standard surface treatment is E-coated. E-coated is the name of the surface treatment Hydroscand use for its fittings. It is Cr6 free and therefore more environmentally friendly and better for human health. Temperatures up to +200°C. Sealing with standard NBR maximum +90°C.


Connections
Withworth pipe thread G, cone pipe threads R, NPTF cone, UNF, metric. Cutting ring cone according to ISO 8434-1. When different connection dimensions are possible, the standard dimension is noted in bold text.
 

Certifications
Hydroscand can deliver fittings with the following standards/certificates: DVGW, Norske Veritas, Germanischer Lloyd, ISO 9002. 

Please note that all cutting ring fittings are also available without nut and cutting ring.


Abbreviations

G
W
T
K
SV
WSV
GE
WE
TE
LE
GAI
EVW
EVT
EVL
EVGE
KOR
RED
MAV
PLU
M
D
AS
ESV
WAS
FM
SN
straight coupling
union elbow
union tee
equal union cross
(straight) bulkhead unio
bulkhead union elbow
male straight stud coupling
male stud elbow coupling
male stud branch tee coupling
male stud barrel tee coupling
Female BSPP
Swivel elbow coupling
swivel branch tee coupling
swivel barrel tee coupling
swivel straight stud standpipe
reducer
tube end reducer
pressure gauge coupling
plugg
(coupling) nut
cutting ring
butt weld coupling
straight weld bulkhead coupling
welded elbow coupling
pre-assembly tool
welded nipple

 

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