oepoch industrial technology
OEPOCH INDUSTRIAL TECHNOLOGY
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Industrial hydraulic MG/MK throttle and throttle check Valve 400 L/min NPTF 315Bar NG6-30
Function and configuration
Valve types MG and Mk are throttle and throttle check valves with viscosity and pressure dependent.
·Type MG (throttle valve)
This valve throttles in both flow directions. Fluid flows through side hole (3) to the throttling orifice (4) formed between the valve body (2) and the adjustable sleeve (1). The cross-section of throttling orifice (4) may be steplessly varied by rotating the sleeve (1).
·Type MK (throttle check valve)
In throttling direction, the spring (6) and the fluid presses the poppet (5) onto its seat, check valve is blocked. Fluid flows via the side hole (3) to the throttling orifice (4), formed between the valve body (2) and the adjustable sleeve (1).
In the opposite direction, fluid pressure acts on the face of the poppet (5), check valve is opened and fluid flows freely. At the same time, part of the fluid flowing through the annular groove gets self-clearance as the desired effect.
Specification
Technical data
| Size | 6 | 8 | 10 | 15 | 20 | 25 | 30 | |
| Weight | kg | 0.3 | 0.4 | 0.7 | 1.3 | 2.2 | 3.6 | 4.5 |
| Max.operating pressure | bar | 315bar, 210bar (NPTF1 1/4, NPTF1 1/2) | ||||||
| Cracking pressure for type MK | bar | 0.5 | ||||||
| Max.flow-rate | L/min | 400 | ||||||
| Viscosity rangge | mm2/s | 10 to 800 | ||||||
| Fluid temperature range | ℃ | -30 ℃ to +80 ℃ | ||||||
| Fluid | Mineral oil; Phosphate ester | |||||||
| Degree of contamination | Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406 | |||||||
Unit dimensions (MK and MG are the same) (Dimensions in mm)
| Size | D1 | D2 | L1 | S1 | S2 | Tl | |||
| G | Metric | NPTF | sAE | ||||||
| 6 | G 1/4 | M14 X 1.5 | NPTF 1/4 | 6SAE ( 9/ 16-18) | 34 | 65 (SAE=75) | 22 | 32 | 12 (SAE=14) |
| 8 | G 3/8 | M18 X 1.5 | NPTF 3/8 | 8SAE ( 3/4-1 | 38 (SAE 48) | 65 (SAE=77) | 24 (SAE=30) | 36 (SAE=45) | 12 (SAE=17) |
| 10 | G 1/ 2 | M22 X 1.5 | NPTF 1/2 | 10SAE (7/8-14 ) | 48 | 80 (5AE=93) | 30 | 46 | 14 (SAE=20) |
| 15 | G3/4 | M27X 2 | - | 12SAE ( 11/16-12 ) | 58 | 100 (SAE=113) | 41 | 55 | 16 (SAE=22) |
| 20 | G1 | M33X 2 | - | 16SAE ( 1 5/ 16-12 ) | 72 | 110 (SAE=120) | 46 | 70 | 18 (SAE=22) |
| 25 | G1 1/4 | M42X 2 | NPTF 1 1/4 | 20SAE (15/ 8-12) | 87 | 140 (SAE=160) | 55 | 85 | 20 SAE=22) |
| 30 | G1 1/2 | M48X 2 | NPTF 1 1/2 | 24SAE (1 7/ 8-12 ) | 93 | 150 (SAE=160) | 60 | 90 | 22 (SAE=24) |