Professional English Translation of NY70 Series Fire Protection Low-Pressure Switch Specifications‌

Product Identification‌

Manufacturer‌: Shanghai Zanke Automation

Model‌: NY70

Type‌: Digital display low-pressure switch for fire protection systems

Mechanical Specifications‌

Housing‌: High-pressure sealed construction

Display‌: Digital readout (100mm diameter dial)

Pressure Interface‌: G1/4, M20×1.5, or G1 thread options

Wetted Materials‌: 304 stainless steel (connections), 316 stainless steel (media contact)

Electrical Parameters‌

Parameter Specification

Measurement Range‌ 0-1/10/16/25/50/100/250/400/600 Bar

Overload Capacity‌ 150% of range

Setpoint Adjustment‌ Configurable upper/lower limits

Output Signal‌ Relay (NO/NC): Upper limit open, lower limit close

Accuracy‌ ±0.5% FS

Long-term Stability‌ Typical ±0.2% FS/year

Load Capacity‌ 250V AC, 10A

Power Supply‌ 12/24V DC or 220/380V AC (selectable)

Sampling Rate‌ 5Hz

Environmental Ratings‌

Operating Temperature‌: -20°C to +80°C

Temperature Compensation‌: -10°C to +60°C

Ingress Protection‌: Not specified (implied industrial grade)

Safety Features‌

Short-circuit protection

Reverse polarity protection (DC models)

EMI-resistant design

Wiring Configuration‌

Power‌: Red (+), Blue (-)

Output‌: Black/White (dry contact signal)

Compliance & Applications‌

Designed for fire protection pipelines per 2014 Fire Code

Compatible media: Liquids/gases compatible with 316 stainless steel