COLOUR FLOW NEEDLE VALVE
| DESCRIPTION | |||||||
| A compact valve with micrometer adjustment for fine throttling service with colored ring indicators for complete turns of opening. | |||||||
SIZE A GAS THD'S | B APPROX | D | E | F | G | H | PART No. |
1/4" | 48 | 10 | 20 | 25 | 50 | 20 | CN R 4 S |
3/8" | 56 | 13 | 26 | 32 | 64 | 25 | CN R 6 S |
1/2" | 69 | 16 | 32 | 33 | 67 | 30 | CN R 8 S |
3/4" | 86 | 19 | 38 | 41 | 83 | 35 | CN R 12 S |
1" | 124 | 22.5 | 45 | 54 | 108 | 46* | CN R 16 S |
1-1/4" | 130 | 28.5 | 57 | 54 | 108 | 46* | CN R 20 S |
1-1/2" | 136 | 35 | 70 | 54 | 108 | 46* | CN R 24 S |
* CAP WILL BE KNURLED CIRCULAR OF Æ H FOR SIZES UPTO 3/4″
FOR SIZES 1″ AND ABOVE KNURLED PORTION WILL BE HEXAGON A/F OF DIMENSION ‘H’
* * SEE ORDERING CODE FOR DETAILED PART NUMBERING SYSTEM.
MODEL No. CNR
| ORDERING INFORMATION : | |
CN | COLOUR FLOW NEEDLE VALVE |
R | DENOTES TYPE OF THREAD - R - GAS THD. DIN - 259 259 N - NPT ANSI B 2.1 |
8 | DENOTES SIZE OF THREAD - IN MULTIPLES OF 1/16” FOR EXAMPLE - 1/4” IS 4. 1/2” IS 8 etc. |
S | MATERIAL : S-STEEL, b-BRASS |
- | SPINDLE : NO SYMBOL :- STANDARD SPINDLE M : FINE METERING SPINDLE |
V | SEAL MATERIAL : NO SYMBOL - BUNA’N’ SEAL V - VITON SEAL |
EXAMPLE : |
| THE PART NUMBER CN R 8 S-V ABOVE REFERS TO COLOUR FLOW NEEDLE VALVE
WITH 1/2"BSP (F) ENDS IN STEEL STANDARD SPINDLE AND VITON SEAL. NOTE : 1) MAX. OPERATIONAL PRESSURE : STEEL : UP TO 1/2" 400 KG/cm2 3/4" & ABOVE - 300 KG/cm2 BRASS : UP TO 1" - 150 KG/cm2 1 - 1/4" & 1 - 1/2" - 50 KG/cm2 CONTROLLED FLOW VS PRESSURE DROP : NEEDLE FULLY OPEN |
