MV-A Medium Velocity Water Spray Nozzle
| Size range: 1/2" BSPT (1/2" NPT Optional) | |
| Body type | Forged Brass |
| Working pressure | 175 psi |
| Inlet connection | 1/2" BSPT (1/2" NPT Optional) |
| Material | Forged Brass with copper strainer |
| Finish | Brass or Nickel Chrome plated |
| Standards | ASTM B 21, ASTM B 36 |
| Approvals | FM Approved, UL Listed |
Rapidrop Medium velocity water spray nozzles are open spray type with an external deflector. Water is discharged unidirectionally in a conical pattern in the form of small droplets. Its design is such that it enables a uniform spray of water onto the surface that is to be protected.
The nozzle is used in a deluge water spray system for special hazard fire protection application. MV Nozzles can be used to protect Horizontal, Vertical or Spherical Surfaces. Nozzles are available in a wide variety of Spray Angle & K-Factor.
Specification
| Maximum Working Pressure | 12.3 Kg./Sq.Cm. (175 psi) |
| Minimum Effective Working Pressure |
7 Kg./Sq.Cm. (100 psi) maximum 1.4 Kg./Sq.Cm. (20 psi) minimum |
| End Connection | ½" BSPT (½" NPT Optional) |
| Included Water Spray Angle For Each K-Factor |
140°, 120°, 110°, 100°, 90°, 80°, 65° |
|
Orifice Size And K-Factor
( Only K-Factors |
(MM) (INCH) METRIC (US) |
| 6.3(0.248) - K18(1.26) | |
| 6.0(0.236) - K22(1.54) | |
| 7.0(0.275) - K30(2.10) | |
| 7.5(0.295) - K35(2.45) | |
| 8.0(0.314) - K41(2.87) | |
| 9.0(0.354) - K51(3.57) | |
| 10.0(0.393) - K64(4.48) | |
| 11.0(0.433) - K79(5.53) | |
| 12.0(0.472) - K91(6.37) | |
| 12.5(0.492) - K102(7.14) | |
| Weight | 0.115 Kg. (approximately) |
| Finish | Plain, Chrome, Nickle Plated & Epoxy coated Model B & BS Stainless Steel only |