609 FF-115A Explosion Proof Electro-Hydraulic Flow Control Servo Valve (75L, 30mA)

• Customization: Available
• Power: Hydraulic
• Precision Control: Custom Design
• Model NO.: FF-115A
• Leading Manufacturer and Supplier: Precision Control System and Product
• Explosion Proof: Instrinsically Safe Valves
• Rated Current: 30mA
• Rated Flow: 75 L/Min
• Affordable Replacement for Moog: Moog G77xk
• Transport Package: Carton
• Specification: national standard
• Trademark: 609
• Origin: Nanjing China
• HS Code: 848180
• Production Capacity: 50-1000 Per Month

Product Description

FF-115 A

Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable Replacement for Moog G77XK

Features

1. Intrinsic safety protected industrial servo valve for explosion proof situations.
2. External null adjustment available for customers to adjust valve null bias

Performance data:

ITEM		MODEL FF-115/12	MODEL FF-115/40	MODEL FF-115/75	MODEL FF-115A/9	MODEL FF-115A/37	MODEL FF-115A/75
RATED SUPPLY PRESSURE Ps[MPa]		21	21	21	21	21	21
RATED FLOW Qn[L/min]		12	40	75	9	37	75
RATED CURRENT In [mA]		10	10	10	30	30	30
COIL RESISTANCE[ Ω ]		1000	1000	1000	400	400	400
HYSTERESIS [ % ]		≤4	≤4	≤4	≤4	≤4	≤4
THRESHOLD [ % ]		≤1	≤1	≤1	≤1	≤1	≤1
LINEARITY[ % ]		≤7.5	≤7.5	≤7.5	≤7.5	≤7.5	≤7.5
SYMMETRY[ % ]		≤10	≤10	≤10	≤10	≤10	≤10
PRESSURE GAIN[%Ps/1% In]		>30	>30	>30	>30	>30	>30
INTERNAL LEAKAGE[L/min]		1.3	2.4	4	1	2	4
NULL BIAS[ % ]		-3~+3	-3~+3	-3~+3	-2~+2	-2~+2	-2~+2
NULL SHIFT WITH SUPPLY PRESSURE (80~110% Ps)[ % ]		≤±2	≤±2	≤±2	≤±2	≤±2	≤±2
NULL SHIFT WITH RETURN PRESSURE (2~20% Ps)[ % ]		≤±2	≤±2	≤±2	≤±2	≤±2	≤±2
NULL SHIFT WITH TEMPERATURE (-10~ +60 ºC)[ % ]		≤±2	≤±2	≤±2	≤±2	≤±2	≤±2
AMPLITUDE RATIO WITH (-3dB)[ Hz ]		≥50	≥50	≥50	≥50	≥50	≥50
PHASE LAG WITH (-90°)[ Hz ]		≥50	≥50	≥50	≥50	≥50	≥50