The RAIN BIRD 100-DVF Inline Sprinkler Valve with Flow Control is ideal for residential and light commercial applications. 
1 Inch (25mm) inline sprinkler valve with flow control & BSP inlet threads 
Equipped with an easy-to-turn, pressure-assisted flow control mechanism & a Buna-N diaphragm with a self-cleaning 90-mesh pilot water filter
External & internal manual bleed allows quick & easy flushing of the system & spray-free operation
Double-filtered pilot-flow & balanced-pressure diaphragm for added reliability & durability
Captive multi-drive screws provide hassle-free valve maintenance
Encapsulated solenoid with a captured plunger - for energy-efficient operation
The Rain Bird DV/DVF valve is the premium valve product chosen by more professionals than any other valve on the market. Its long history of reliable performance makes it the natural choice for your landscape.Use DV/DVF series valves in locations where the use of a separate pressure vacuum breaker (PVB) or a double-check valve is required by city codes to protect against backflow. Check your local city codes to determine what type of valves are required. Rain Bird Corporation is a global privately-held manufacturer and supplier of irrigation products and services for landscapes, sports fields, golf courses, and agriculture - designed to minimize water consumption.DV & DVF Series Valve Performance Chart: Operating Range:
Pressure: 15 - 150psi (1.0 - 10.4bar)
Flow: 0.05 - 9.08m3/h; 0.01 - 2.52l/s (0.2 - 40gpm); for flows below 0.75m3/h; 0.21l/s (3gpm) or any Xerigation application, use RBY-100-200MX filter installed upstream
Temperature: Up to 43°C (110°F)
Ambient air temperature: up to 52°C (125°F)
Product specifications:
Model: 100-DVF = 25cm (1in) inline sprinkler valve with flow control, BSP
24VAC 50/60Hz (cycles/sec.) solenoid
Inrush current: 0.30A (7.2VA) at 60Hz
Holding current: 0.19A (4.6VA) at 60Hz
Coil resistance: 42-55Ohms
Not compatible with ESP-LXD decoders, use Rain Bird commercial valves (PGA, PEB, GB, EFB-CP and BPE series)
Dimensions:
Height: 14.2cm 
Length: 11.1cm
Width: 8.4cm
Recommendations:
Rain Bird recommends flow rates that result in discharge velocities in the supply line not to exceed 2.3m/s (7.5ft/sec) in order to reduce the effects of water hammer.
Rain Bird residential valves cannot be used with PRS pressure regulating modules.
Not recommended for use with two-wire systems.