Flow Control Valves

EC16-34 — Flow Regulator, Pressure Compensator, Load-Holding
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EC16-34 Valve
U.S. Patent 7,261,030


A screw-in, cartridge-style, load sense, flow-on-demand pressure-compensator with built-in
damping and load-holding features for use in gravity-lowering circuits.

The EC16-34 is designed to be used in combination with a flow control valve for lowering and holding a load.
With inlet flow at port 2, port 3 will deliver required flow regardless of load pressure at 2. Port 1 of the
compensator must be connected to the outlet of a flow control valve that is connnected to the tank.

• Hardened parts for long life.
• Hardened seat for low-leakage load-holding capability.
• Quiet, modulated response.
• Industry-common cavity.

Operating Pressure: Inlet: 241 bar (3500 psi) maximum with standard Buna N seals
Maximum Regulated Flow: 170 lpm (45 gpm); see performance chart
Compensation Value: 13.8 bar (200 psi)
Maximum Leakage at Port 1: 5 drops/minute with 207 bar (3000 psi) at port 2
Temperature: -40° to 100° C (-40° to 212° F) with Buna seals;
   -26° to 204° C (-15° to 400° F) with Fluorocarbon seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
   7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC16-3; See page 9.116.1_3w
Cavity Tool: CT16-3xx; See page 8.600.1
Seal Kit: SK16-3x-MM; See page 8.650.1




EC12-34 Valve symbol



EC16-34 Flow vs. Pressure



EC16-34 Valve Dimensions



Cartridge: Weight: 0.47 kg (1.04 lb);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; Buna N
O-rings and polyester elastomer back-ups

Standard Ported Body: Weight: 1.50 kg
(3.3 lb); Anodized high-strength 6061 T6
aluminum alloy, rated to 207 bar
(3000 psi); Ductile iron bodies available;
dimensions may differ. See page 8.016.1_3w



EC16-34 Ordering