Definition: Components for DIN 2353 cutting ring tube fittings system, including Nut, Functional nut, cutting ring, O-ring, bulkhead locknut, bonded seal for banjo fittings, metal seal, Eolastic seal ring called ED or WD ring, Metric Retaining Ring. It service to 24 deg cone connector, metric stud sealing components.
Method of DIN Fittings Components usage: 1. Components for DIN 24 deg cone end, Nut, functional nut, cutting ring to connect the seamless steel pipe, The sealing way is by Nut push the cutting ring to bite pipe,
(1 is body, 2 is Nut, 3 is cutting ring)
Sealing components for male stud connector such as follows:
 O-ring ISO 6149 Port |  ED Ring DIN 3869 | |
 O-ring+Retaining Ring |  Bonded Washer soft sealing |  Metal or brass washer |
1. Nut DIN 3870 NL/NS
PART NO. | THREAD | TUBE O.D. | DIMENSIONS | MPa | ||
E | C | d | S2 | |||
NL-12 | M12X1.5 | 6 | 14.5 | 6 | 14 | L |
NL-14 | M14X1.5 | 8 | 14.5 | 8 | 17 | |
NL-16 | M16X1.5 | 10 | 15.5 | 10 | 19 | |
NL-18 | M18X1.5 | 12 | 15.5 | 12 | 22 | |
NL-22 | M22X1.5 | 15 | 17 | 15 | 27 | |
NL-26 | M26X1.5 | 18 | 18 | 18 | 32 | |
NL-30 | M30X2 | 22 | 20 | 22 | 36 | |
NL-30D | M30X1.5 | 22 | 19 | 22 | 36 | |
NL-36 | M36X2 | 28 | 21 | 28 | 41 | |
NL-36D | M36X1.5 | 28 | 21 | 28 | 41 | |
NL-45 | M45X2 | 35 | 24 | 35 | 50 | |
NL-45D | M45X1.5 | 35 | 25 | 35 | 50 | |
NL-52 | M52X2 | 42 | 24 | 42 | 60 | |
NS-14 | M14X1.5 | 6 | 16.5 | 6 | 17 | S |
NS-16 | M16X1.5 | 8 | 16.5 | 8 | 19 | |
NS-18 | M18X1.5 | 10 | 17.5 | 10 | 22 | |
NS-20 | M20X1.5 | 12 | 17.5 | 12 | 24 | |
NS-22 | M22X1.5 | 14 | 20.5 | 14 | 27 | |
NS-24 | M24X1.5 | 16 | 20.5 | 16 | 30 | |
NS-30 | M30X2 | 20 | 24 | 20 | 36 | |
NS-36 | M36X2 | 25 | 27 | 25 | 46 | |
NS-42 | M42X2 | 30 | 29 | 30 | 50 | |
NS-52 | M52X2 | 38 | 32.5 | 38 | 60 | |
2. Cutting Ring DIN 3861
PART NO. | TUBE O.D. | DIMENSIONS | Remark | |||
RL-06 | 6 | L and S series is the same size | L | |||
RL-08 | 8 | |||||
RL-10 | 10 | |||||
RL-12 | 12 | |||||
RL-15 | 15 | |||||
RL-18 | 18 | |||||
RL-22 | 22 | |||||
RL-28 | 28 | |||||
RL-35 | 35 | |||||
RL-42 | 42 | |||||
RS-06 | 6 | S | ||||
RS-08 | 8 | |||||
RS-10 | 10 | |||||
RS-12 | 12 | |||||
RS-14 | 14 | |||||
RS-16 | 16 | |||||
RS-20 | 20 | |||||
RS-25 | 25 | |||||
RS-30 | 30 | |||||
RS-38 | 38 | |||||
3. ED Seal Ring for BSPP and Metric Thread Port DIN 3869
PART NO. | E THREAD | DIMENSIONS | |
METRIC | BSP | h | |
WD-B02 | M10X1 | G1/8"X28 | 1 |
WD-M12 | M12X1.5 | 1.5 | |
WD-B04 | M14X1.5 | G1/4"X19 | 1.5 |
WD-M16 | M16X1.5 | 1.5 | |
WD-B06 | G3/8"X19 | 1.5 | |
WD-M18 | M18X1.5 | 1.5 | |
WD-M20 | M20X1.5 | 1.5 | |
WD-B08 | G1/2"X14 | 1.5 | |
WD-M22 | M22X1.5 | 1.5 | |
M26X1.5 | |||
WD-B12 | M27X2 | G3/4"X14 | 1.5 |
WD-B16 | M33X2 | G1"X11 | 2 |
WD-B20 | M42X2 | G1.1/4"X11 | 2 |
WD-B24 | M48X2 | G1.1/2"X11 | 2 |
4. ISO 6149 O-Ring for Metric Straight Thread Port
5. Metric O-Ring +Retaining Ring For ISO 9974-1/ DIN 3852-1Port
6. BSPP O-Ring + Retaining Ring For ISO 1179-1/ DIN 3852-2 Port
7. O-Ring for DKO Swivel Nuts, Weld Nipples, and Caps
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