TYPICAL NEEDLE VALVES:
BASIC PARAMETERS AND CHARACTERISTICS OF NEEDLE VALVES
Valve symbol | Nominal diameter, mm | Nominal pressure,
ХХ = PN, MPa (kgf/cm2) |
Number of packings Y | Connecting as per GOST 6111-52, internal and/or external tapered inch threads with a profile angle of 60. Correspond to FNPT and/or MNPT threads as per ANSI/ASME B1.20.1. | Climatic modification and placement as per GOST 15150 |
NT-VI.06.0ХХ- 0Y.000K3 | 3,2 | 42 (420); 70 (700); | 1 2 |
NPT-1/2 FNPT-1/2 |
U1 |
NT-VI.06.0ХХ- 0Y.000-01 K3 | NPT-1/2
FNPT-3/4 |
||||
NT-VI.08.0ХХ-0Y.000 K3 | 6,4 | 42 (420);
70 (700); |
1
2 |
NPT-1/2
FNPT-1/2 |
U1 |
NT-VI.08.0ХХ-0Y.000-01 K3 | NPT-1/2
FNPT-3/4 |
||||
NT-VI.12.105-01.01.000-02 K3 | 5 | 42 (420); | 1 | NPT-1/2
FNPT-1/2 |
U1 |
NT-VI.12.105-01.01.000-01 K3 | 5 | 70 (700) | 1 | NPT-1/2
FNPT-1/2 |
U1 |
NT-VI.12.42-01.02.000 K3 | 5 | 42 (420); | 2 | NPT-1/2
FNPT-1/2 |
U1 |
NT-VI.12.42-01.02.000-01 K3 | 5 | 70 (700) | 2 | NPT-1/2
FNPT-1/2 |
U1 |
NT-VI.12.42-01.02.000-02 K3 | 5 | 70 (700) | 2 | NPT-1/2
FNPT-3/4 |
U1 |