Fish stocking time
1. Stocking time: When the pond water temperature reaches 5 degrees Celsius, the spring fish can be stocked, usually ending on April 30th.
2, fish species conditions: stocking species should be well-proportioned, carp species to the tail weight of 100-50 grams is appropriate, carp species to tail weight 75-125 grams is appropriate, requires the stocking of the fish species specifications, physical fitness, body The watch is harmless.
3, the pool time: the end of September.
The valve is a series of gas emergency shut off solenoid valves, specially designed as gas pipe breaker for emergency use. It can be connected with gas leaking detection sensor, fire alarm circuit or other intelligent sensor modules so that on site or remote shut down on gas supply (manually or automatically) is possible, hence ensuring the safety on gas usage. The valve features an auto-close when strong vibration is detected. After close, manual operation is required to turn on the valve. This feature meets safety regulations in the event of an accident.
Small Solenoid Valve,Lpg Solenoid Valve,Shut Off Solenoid Valves,High Pressure Solenoid Valve
Rictron Industrial Co., Ltd , https://www.szrictron.com