Type 3310/31a and Type 3310/3278 Pneumatic Segmented Ball Valves

Type 3310/31a and Type 3310/3278 Pneumatic Segmented Ball Valves

Application 

Control valve for process engineering and industrial applications 

Valve size NPS 1 to 12 (DN 25 to 300) 

Pressure rating Class 150/300 (PN 40) 

Temperatures –51 to +842 °F (–46 to +450 °C)

Type 3310 Segmented Ball Valve with 

. Single-acting Type 31a-SRP Pneumatic Rotary Actuator 

. Double-acting Type 31a-DAP Pneumatic Rotary Actuator 

. Single-acting Type 3278 Pneumatic Rotary Actuator

Versions 

Standard version for temperatures ranging from –20 to 428 °F (–29 to 220 °C), NPS 1 to 12 (DN 25 to 300) 

– Type 3310‑SRP. With single-acting Type 31a‑SRP Pneumatic Rotary Actuator (see Data Sheet u T 9929 EN) 

– Type 3310/3278. With single-acting Type 3278 Pneumatic Rotary Actuator 

Further versions 

– Type 3310. With double packing with or without leak monitoring 

– Type 3310. Without insulating section for medium temperatures from –10 to +220 °C, with cast steel or cast stainless steel according to DIN 

– Type 3310. With insulating section for medium temperatures from –10 to +400 °C, with cast steel according to DIN 

– Type 3310. With insulating section for medium temperatures from –46 to +450 °C, with cast stainless steel according to DIN 

– Type 3310. With reduced CV (KVS) coefficients by installing upstream or downstream reducers

– Type 3310. With form-fit flanges 

– Type 3310.  With DIN flanges 

– Type 3310‑DAP. With double-acting Type 31a-DAP Pneumatic Rotary Actuator 

– Type 3310. With pneumatic rotary actuator and additional handwheel 

– Type 3310. With handwheel 

– Type 3310. With heating jacket

Datasheet: 

Type 3310/31a and Type 3310/3278 Pneumatic Segmented Ball Valves